Lead2Amazon

Features patented clock jitter suppression technology, high dynamic range output, ES9038Q2M SABER DAC chip that supports up to 32bit/768kHz PCM and DSD512 decoding with minimum distortion

Adopts advanced low dropout voltage regulator for extremely black background and zero unwanted noise. Equipped with a low-noise high-current LDO power chip and high-fidelity design faithfully reproduces 3D acoustics. Sound location and resolution are clear, clear and clear

Automatically adjusts power and effectively reduces overall power consumption based on playback operating conditions and song's sampling rate. We use two Ricore RT6863 specifically for ESS DAC to ensure maximum compatibility

【3.5mm Single + 4.4mm Balanced Connection】Standard 3.5mm single + 4.4mm balanced dual port with balance output power of 32Ω to 195mW. Note: USB-C to USB-C cable and USB-A adapter, USB-C to Lightning cable is not included

(Clearly visible light display) Supports 768 kHz/32-bit specifications, and has different color display lights that correspond to different sampling frequencies, so you can see the current specifications at a glance

No cable needed. Direct plug in guitar Headphone and guitar amplifier for the fastest, most authentic sound

The analog circuitry has been significantly improved to faithfully replicate compressive and double sound of a wide range of vacuum tube amplifiers

Refurbished effect section Includes stereo effects for enhanced sound when headphones or recording

Added rhythm function, each model has 9 basic patterns

Connect your smartphone or other external audio devices to the AUX jack to play your favorite track

Uses Cirrus Logic CS43198 DAC chip for 384 kHz/32 bit and DSD256 playback: The K11 uses the Cirrus Logic's DAC chip "CS43198", which has low power consumption and excellent audio characteristics. The CS43198 is a Master HIFI DAC that achieves the strictest standards of the company to provide true recording. By adopting this chip, it achieves a performance of S/N ratio: over 123dB and THD+N:0.00035%

(1,400 mW output with a fully balanced headphone amplifier circuit) In K11, the fully balanced configuration of the headphone amplifier circuit, and a total of 2 units per left and right channel, the balance output is 1,400 mW at 32 Ω load and 250 mW. In addition, to suppress the power supply circuit design that adversely affects sound quality, each block of the circuit, it uses a power supply circuit design. Power supplied from a 12V external power supply is maintained clean by a low-noise LDO responsible for each block, each is adjusted to the proper amount and is supplied to the components

(3-stage gain control supports a wide range of playback environments from IMM to headphones) The K11 can be adjusted from 3 levels of gains (High), Mid, and Low. You can adjust the gain according to the efficiency of the headphones and headphones to enjoy music at a comfortable volume level

(Various Inputs and Outputs, Can be Used in the Center of Audio System) The K11 supports digital inputs using USB terminals, RCA coaxial terminals, square optical terminals, analog output using RCA terminals, and balanced output using single end output using 6.35 mm headphone terminals and 0.2 inch (4.4 mm) terminals. Not only is it connected to your PC, you can connect it with a variety of digital devices to enjoy music with a high-quality balanced connection or easily incorporate it into your existing audio system

(An intuitive change of the function of the main unit by the display and knob on the front) In K11, the FIIO fixed headphone amplifier has been adopted a display on the front. High contrast, durable VA display provides good visibility and stays lit without burning Visually check the sampling rate, volume, gain and output mode. It is used to turn the power on/off, switch each input, control menus, adjust volume, and other operations. Push the knob twice quickly to select the headphone output/RCA output, and each output can remember the last volume. You can choose the right output mode for each connection to an active speaker or connect to an external amplifier as a pure DAC

RGB indicator light on top of the main logo: The FIlO logo on the top of the K11 body is illuminated by RGB lighting, allowing you to quickly identify your current audio sampling rate. Brightness, color, and light patterns are all adjustable by knobs

(Sleek and simple housing design and black and silver 2 colors) The K11 is assembled with high strength aluminum alloy material carefully processed. The height is about 1.3 inches (32 mm) and the width is 5.6 inches (143 mm) so it can be installed neatly on a desk. Black and silver two colors, you can choose according to your preference

MFi Certified, Ultra Small High Resolution DAC/AMP, USB-C Connection: This ultra-small DAC / AMP, equipped with a φ0.1 inch (3.5 mm) jack that can easily enjoy high-resolution playback on smartphones and PCs. The Japan Audio Association has acquired a high-resolution sign, and the bit rate of music playback is supported up to 32bit/384kHz, which has approximately 17.4 times the amount of information from CD sound source (16bit/44.1kHz). DSD playback can be up to 5.6MHz DoP playback

Equipped with the ES9270C for high audio quality: Equipped with ESS Technology "ES9270C" as SoC. It is equipped with the company's patented technology "Hyperstream DAC" and "Time Domain Jitter Eliminator Circuit" to achieve high levels of audio characteristics. In general, audio characteristics are indicators of "static characteristics" which are the output characteristics obtained when input simple signal waveform (sine wave or square wave) under rated loads. However, during actual music playback, the amplitude and frequency of the input signal waveform is not constant, resulting in non-cyclic constant noise and worsening characteristics. The Hyperstream DAC is a unique noise shaving technology that eliminates constant noise in the "dynamic characteristics" that are the output characteristics of music playback. In addition, the "Time Domain Jitter Eliminator Circuit" allows for more precise signal conversion by compensating the vibrations on the time axis of an audio master clock that can occur during D/A conversion. Plays stable and crystal clear sound in position

[Energy saving and high fidelity G-class amplifier] The ES9270C is equipped with a G grade amplifier. When the audio signal level is low, such as the music you play, use the lower power voltage, and the signal level increases, it will automatically switch to the appropriate power voltage. By working efficiently according to the size of the signal level, it is able to optimize the power usage of the connected terminal, and it is energy-saving and capable of playing music at all times

Compact aluminum housing for any connecting device: The housing material is made of lightweight and high rigidity aluminum. It has a simple profile that goes well with any audio device to connect, yet has a refined texture with attention to detail and texture. The total length is only 3.9 inches (10 cm) and is extremely compact

【Compatible with Various Devices】 Equipped with a USB-C plug, it can be used with devices that support iPad OS 15, Android OS 12, MacOS 13.2, Windows 10 and above. Enjoy high quality music playback at any time in a variety of settings such as smartphones and PCs

(Certified to work with the iPhone 15 series) You can enjoy high-quality sound playback even with the iPhone 15 series. As of September 2023

Note: Radius products are inspected prior to shipping, firmware updates and regular recharging procedures. As such, there may be some temporarily opened products, but this is a unused product and does not affect the quality. Thanks for your understanding

Equipped with AKM flagship separate DAC system AK4191EQ + AK4499EX: K9 AKM adopts AKM flagship DAC "AK4191EQ+AK4499EX". The DAC system uses a separate DAC system consisting of AK4191EQ which is responsible for digital filters and Delta Sigma modulation and AK4499EX responsible for analog DAC. In addition to separating completely different features of digital processing and analog processing at the chip level, the combination of "DWA Routing Technology" which leveles the individual differences of resistance elements to improve S/N ratio at the chip level. This is a new generation of DAC systems that are not only numerical improvements from previous flagship models, but also has been carefully made to show the texture

(Can be linked with the FIIO control app) By connecting the FIIO control app to your smartphone with the K9 AKM, you can set the LED display settings for digital filters, various equalizer functions, change channel balance, etc. to suit the individual preference. *Equalizer function only activated when Bluetooth connection

Equipped with THX-AAA 788+ headphone amplifier circuit developed in collaboration with THX: The K9 AKM is equipped with a "THX-AAA 788+" amplifier circuit with high quality feed forward technology that compensates for distortion generated during signal amplifiation. This circuitry is a co-developed amplifier circuit based on the "THX-AAA 788" circuitry designed to provide crystal clear, pure sound. By using 2 amplifier circuits per left and right channel, this amplifier circuit has a total of 2,000 mW at 32 Ω load and 780 mW maximum at 32 Ω loads

(Fully Balanced Design from DAC to Headphone Amplifier) The K9 AKM audio circuits are fully balanced to ensure the input of differential signals are separated from the left and right channels, from DAC to volume control and headphone amplifiers. The audio circuitry is also divided into 6 blocks of "DAC, Low Pass Filter, Volume Control, Buffer Amplifier, Preamp, Headphone Amplifier", and is carefully designed for each block to produce sound that combines the majestic and detailed representation of a stationary product. Furthermore, separated and optimised layout on the substrate to ensure maximum adverse interferences and high quality music playback with high signal fidelity

Equipped with XMOS "XUF208" and a dual-line ultra-precision crystal oscillator: The K9 AKM uses XMOS "XUF208". Equipped with this chip, the PCM is up to 768kHz/32bit and DSD has up to DSD512 decoding capabilities and performs high quality D/A converter with dual clock management technology that always select the best clock for the input source

Clean Power Supply Design for High Sound Quality: The power transformer installed inside the K9 AKM is combined with 4 4700uF high capacity capacitors to provide clean power for the internal audio circuit. In addition, the independent power supply of the digital and analog circuits are controlled to suppress power noise that can adversely affect sound quality, and suppress interference between each block. In addition, each block on the circuit is kept clean by a low noise LDO, providing the right amount of stepped power for each piece. This thorough power supply design provides high S/N feel and heavy sound expression

Equipped with ADC volume control function that allows fine volume adjustment: The K9 AKM uses ADC volume control for volume adjustment. Unlike analog volume methods that operate directly with variable resistance that plays music signals, the volume is controlled by controlling the volume IC based on the change of the volume knob with the AD conversion. It has successfully eliminated the problem of analog volume, left and right volume differences and noise that are the problem point of analog volume

(Equipped with a wide variety of input and output terminals for all applications) K9 AKM is equipped with a wide variety of input and output terminals, so it is not only connected to a PC, but also can be connected to a variety of digital devices to enjoy a high quality audio experience or easily incorporated into a part of an already owned audio system

(Equipped with Qualcomm QCC5124 for high quality wireless transmission) The K9 AKM is equipped with Qualcomm Bluetooth SoC "QCC5124" which can also be used as a high-performance Bluetooth receiver that supports high-quality Bluetooth codec, such as LDAC, aptX HD, and aptX Adaptive. With wireless connectivity that meets both high information and low latency, the K9 AKM allows you to enjoy music as well as a more immersive gaming and video experience

(You can freely switch between UAC 1.0/2.0 and connection modes) K9 AKM supports connections in both UAC 1.0 and 2.0 standards, so it is compatible with various devices including home game consoles. You can easily switch between connection modes from the FIIO Controls app that is delivered for your smartphone

Sound Quality: UA4 uses ES9069Q flagship chip in a housing that creates a compact DAC/AMP, and the S/N ratio reaches up to 120dB and supports 768kHz / 32bit | DSD512

Full Power Independent Opamp: The analog circuit adopts 2 independent optics amplifier RT6863, which greatly reduces distortion, and boasts a high output of 227 mW @ 32 ohms and an excellent die namic range. Compact and portable, yet supports the music experience with high output. *227mW @ 32Ω (with 4.4mm balance output)

Compatible with 3.5 mm + 4.4 mm (3.5 mm + 4.4 mm) balanced connector's dual interface, wide connectivity and 4.4 mm balanced output, supports high output of up to 227 mW @ 32 ohms. More powerful drive force, adapt to the connection of various devices and greatly improve your music experience in one unit. Max Output 3.5mm:137mW @32Ω ➢4.4mm:227mW @32Ω

Low Noise: Uses noise control technology that SHANLING has inherited to DAC/AMP, and equipped with a LDO regulator with excellent low noise performance, so noise control is extremely superior and pure sound. Hi-Fi design allows you to experience immersive listening with layers of fidelity, without fear of noise interference

(Replacement Type C Connector) UA4 uses 18 core high purity oxygen-free copper wire with a standard cable. This match up ensures pure signal transmission and rich sound quality. Uses a Type-C connector that supports cable replacement, and is compatible with iOS / Android / PC devices, ensuring connectivity to multiple devices and ensures user convenience

(Gaming DAC Mode) UA4 is compatible with the "UAC 1.0" and long press the mechanical button center key and connect it to the gaming console to connect it to the gaming console. Operated on the UAC 1.0, the UA4 works like USB-DAC/AMPs on any home console and plays your game with high definition sound, making it immersive and highly immersive and immersive to enjoy the game

【Hi-Res / MQA Support】The UA4 supports MQA 16X and is compatible with MQA decoding which can be expanded up to 16X. It is also certified by the Japan Audio Association for high resolution audio, and its excellent sound quality reproduces rich details overflowing with reality

MQA 16X

APP Control

VGP2024 Gold Award

◎ Product information and usage questions and support inquiries regarding uses: MUSIN Co., Ltd

CS43131 Dual DAC: Equipped with dual configurations of CIRRUS LOGIC's high-fidelity "MasterHIFI" line DAC chip "CS43131" for superior audio specs and high-quality listening experience

[Noise Free and Delicate Sound] DAC power supply is made with RF and low noise PSRR for analogue circuits, PSRR (Power Supply Rejection Ratio) provides a clean, high level of power supply with Max100dB. Provides a clean power supply for noiseless and delicate sound

(Volume Control Key) It allows for 100 delicate volume controls from 0 to 100 levels, allowing users to be able to guide the user into a comfortable base with any connected device

(Excellent Power Control and Energy Saving Design) The DC04PRO has been added to the dedicated app with the "Eco Mode" (Power Saving Set). By activating this setting, the amplifier circuit will be broken, and using the on-board amplifier on the DAC chip, it can be used to save more than 410 mW. You can use this device according to your preference of the environment and device conditions

(3.5 mm Single End + 4.4 mm Balance Terminals) Equipped with a 0.16 inch (4.4 mm) balance + 0.18 inch (3.5 mm) single-ended dual connectors, so you can freely mix and match your earphones and headphones

(Android Dedicated Applications) By installing the iBasso DC Series application "iBasso UAC" on an Android device, you can access and customize the "Digital Filter", "Gain Setting, "Output Mode," "LR Balance" and "ECO Mode" with the device that cannot be accessed alone. By changing to your preference settings according to the earphone and headphones you are connected, you can achieve a more comfortable and high-fidelity music experience

Cable Replacement Design: DC04PRO uses a Type-C connector that supports cable replacement. It comes standard with a Type-C to Type-C OTG cable that is ready to use on Android devices, but you can change the OTG cable according to the connection device for optimal connection. In addition, using the included Type-C to USB-A adapter, you can connect the DC04PRO to a USB-DAC connection to a PC

Some devices may not be compatible with the system and hardware. Some Android devices require you to manually activate the USB device settings from the settings

Premium Bluetooth Hi-Fi Sound: The AK HB1 is equipped with Qualcomm CSR8675 Bluetooth chipset. Supports wireless transmission of high-resolution audio sources, with excellent connection stability. Supports a wide range of codecs, including the most commonly used AAC and SBC used in the most popular AAC and SBC from LDAC that supports 96kHz/24bit stable aptX HD codec. In addition, it has a Bluetooth multi-point function that allows you to connect up to two devices simultaneously. You can easily switch between connections with various mobile devices, and you can enjoy music on your tablet PC while receiving notifications or calls on your smartphone

High-Resolution Sound USB-DAC: Not only does the AK HB1 play as a Bluetooth receiver, but it can also be used as USB-DAC by connecting it to a PC, smartphone, or tablet PC, etc., to achieve exceptional native high-resolution sound. Support PCM384kHz/32bit Native Playback with DSD256 Ensures compatibility with a variety of high-resolution audio sources and delivers premium sound faithful to the original sound that Astell & Kern. It also has a MQA 8X renderer function, so you can play MQA sound source. Equipped with the new generation of ESS DAC chip ES9281AC PRO, Astell & Kern's exceptional noise control has been cultivated for many years to deliver clear and noise-less, Hi-Fi sound. In addition, we introduced a unique amplifier circuit that outperforms the standard DAC built-in amplifiers. This allows dual output of 3.5mm unbalanced and 4.4mm balanced (5 poles GND wire) to achieve high power output of 4Vrms when connected to the balanced connection

【Heavy Duty Dual Noise Shielding Cable】AK HB1 uses a detachable USB cable. Cable comes with Type C and Lightning and 2 short cables. Dual noise shielding cable to minimize noise and provide clearer sound. Copper core is tinned for corrosion protection and enhanced tensile strength for durability. (Equipped with UAC 2.0/UAC 1.0 switching function) AK HB1 is equipped with a combination of UAC 2.0 and UAC 1.0, and supports both connections, so you can connect it to home gaming devices such as PlayStation and Switch, and enjoy immersive gaming experience with low-latency and enhanced sound

(Equipped with car mode for car use) Activate the AK HB1 car mode, so you can enjoy the sound of a high quality DAC amplifier even while holding the handle. Simply connect the AK HB1 to your car's AUX port with a line cable, and the power will automatically turn on and off according to your vehicle's ignition, seamlessly enjoy the audio of your paired devices. Equipped with a Smart Charging System: The AK HB1 automatically recognizes devices connected by a USB cable, regardless of the playback or charging device, which makes the charging process more efficient without the need for additional setup adjustments. Also, the charging mode is ON/OFF so you can play and charge your device at the same time to prevent battery drain during play. When connected to a charger via USB, it will charge at normal speed (about 1.5 hours to fully charge). Charging mode can be turned on or off when connected to a USB player

Clear Voice Calls: The built-in microphone on the bottom of the unit is equipped with Knowles high quality MEMS microphone technology and Qualcomm cVc 8.0 for clear audio quality and stability. In addition, it supports 4-pole inline microphone input only when USB to DAC, and can also be used for voice calls with wired earphones with microphone. Dedicated App Supported: By using the proprietary smartphone app "AK Control" (iOS/Android), you can easily enjoy the setup process. In addition to displaying battery information and connected Bluetooth codec, you can conveniently control the device priority, volume adjustment, switch charging mode, set user EQ (cannot be set EQ when using LDAC), car mode settings, automatic power off settings, DAC filter settings, UAC switching, etc

Equipped with 2 ESS Technology DAC+ Amplifier Integrated Chip "ES9219MQ" in independent left and right configurations. Low Noise, Low Distortion and High Output Power: The BTR15 uses 2 separate bases of ESS Technology's integrated DAC chip ES9219MQ. The maximum power at the balance output is approximately 40% more (240 mW to 340 mW) and has a powerful drive power capability, while the integrated DAC chip and headphone amplifier provide independent power supply for the integrated DAC chip and headphone amplifier, providing low noise and low distortion

XMOS XU316 with powerful processing capability allows 384kHz/32bit, DSD256 and MQA full decoding playback: BTR15 uses XMOS USB controller chip XU316, which supports PCM384kHz/32bit DSD256 (Native) with input from USB Type-C terminal. It also has a powerful arithmetic capability of 16 cores for full MQA decoding. The USB DAC function is compatible with two modes: USB Audio Class 1.0 mode that does not require drivers, and 2.0 mode for full specs. In the latter case, driver must be downloaded and installed from FIIO official website

Adopts Qualcomm QCC5125 Bluetooth Receiver, High Connection Stability: Equipped with Qualcomm Bluetooth IC "QCC5125" installed on the BTR15, it supports a wide range of audio codecs, such as AAC/SBC/aptx/aptx LL/aptx Adaptive/aptX HD/LDAC

Equipped with 3.5mm single end output, 4.4mm balanced output with fully balanced configuration: The BTR15 is not only a typical 3.5mm single end output, but also a balanced output with 4.4mm terminals. Fully balanced audio architecture that operates ES9219MQ independently, each channel is driven by independent DAC and amplification stages, providing high output up to 340mW

Global Parametric Equalizer for proper equalization regardless of the mode of use: The BTR15 is equipped with the "Global Parametric Equalizer (PEQ) function developed by FIIO, which allows you to set accurate equalization in both wireless and wired modes. PEQ adjustment in Bluetooth mode is used with QCC5125 DSP, and XMOS XU316 when used as a USB DAC, but FIIO's unique interface allows you to use the common PEQ settings regardless of the mode. When used as a USB DAC, switch the PEQ on or off to reset the USB connection. Please adjust the volume and play the smartphone side again

0.96" OLED on the front panel of the main body. EASY TO SEE YOUR WORKING CONDITIONS AND SETTINGS - The front of the BTR15 features a clear organic EL display with a resolution of 96 x 96 pixels. The display is larger from 0.49" to the BTR5 for increased visibility, and displays pair, connection, call status, power status, encode format, and volume. You can also use the hard buttons located on the side of the display and the main unit to change the settings of the main unit such as EQ

With 2 hours of charging for 8 hours of continuous playback, this BTR15 comes with a battery care function that can be used for a long period of time. The BTR15 has a built-in 550 mAh battery, and the BTR15 can be fully charged in about 2 hours, and can be played for about 8 hours of continuous playback. In addition, it has multiple functions to care for the built-in battery so you can rest assured that you can use it for a long time

FIIO APP allows detailed setup of the main unit: The BTR15 has a larger display that makes it easy to set up the main unit but can be changed by the built-in parameters of the BTR15 by combining the FIIO Music or FIIO Control app. Unique feature allows you to adjust odd and even sequential harmonic distortion. This allows you to create a sound that suits your taste better

【驚異の音質】DC-Eliteは、ROHM社BD34301EKV DACチップを搭載し、ポータブルプレーヤー製品に匹敵するのアーキテクチャ をこのコンパクトなサイズ感に踏襲しました。

【デスクトップクラスの電流出力DACチップ】コンパクトサイズのポータブルDAC/AMPの中で、ハイエンドオーディオ・電流出力DAC ROHM社 BD34301EKVを採用することは前例がなく、DC-Eliteは業界初の試みとなるでしょう。

【自社開発の24段4セクションステップアッテネーター】DC-Eliteにはアナログボリュームを採用し、スマートフォンとのマッチアップの中でも最高峰の静寂性とクリアリティを体感することができ、ドングルDACの中でも他に類を見ないSNRスペックを誇る、最高峰のサウンドを実現しています。

【プレーヤーに匹敵するオーディオ回路】DC-Eliteのオーディオ回路はROHM社DACチップ”BD34301EKV”を中心に、6つのデュアルオペアンプを搭載した、プレーヤーと等しく大規模な回路設計です。 サウンドクオリティは言うまでもなく、ドングルDAC（コンパクトDAC/AMP）の業界最高峰のサウンド水準を大きく跳躍させ、フラッグシップの指標となるでしょう。

【ピュアなサウンド】DC-Eliteは同期整流技術とRICOH社 Boost DC/DCコンバーターチップによる高効率電源 に加え、フラッグシッププレーヤーにも採用しているLinear Technology社製 超低ノイズ LDOリニアレギュレータを搭載し、「ノイズ フロア＜0.8μV」の低ノイズ設計を実現しま した。

【3.5mm & SPDIF ＋ 4.4mm デュアル】DC-Eliteは4.4mmバランス＋3.5mmシングルエンド のデュアルコネクタを備え、卓越したサウンドと高 出力デュアルコネクタによりサイズに囚われること なく、イヤホン・ヘッドホン組み合わせは自由自在 です。 3.5mm出力はSPDIF（同軸デジタル）出力にも対応 しており、外部DACやオーディオシステムへ最大 768kHz / 32bitのハイスペック・デジタル信号伝送 に対応し、ホームオーディオシステムへのマッチン グも可能です。

【低消費電力設計】DC-Eliteの消 費電力は、電流出力型フラッグシップDACとプ レーヤーに匹敵する設計を搭載してもなお、消費 電力値は業界屈指の低数値を実現しています。 バランス出力時：690mW、シングルエンド出力 時：630mWという数値は、フラッグシップドング ルDACの中でも、優れた低消費電力設計を実現し ていることを証明しています。

【高級感の溢れるデザイン高品質筐体】航空機グレードのチタニウム合金素材は軽量で あり、強度や耐食性にも優れており、ポケット サイズであらゆるシーンでの使用が想定される ドングルDAC（コンパクトDAC/AMP）には相 応しい素材です。 筐体デザインには、チタニウムの熱伝導性を活 かした、放熱性に優れたヒートシンクデザイン を採用しています。