Electronics From FiiO on Amazon

[High-performance ES9038Q2M DAC]: Responsible for digital-to-analog conversion is the excellent ES9038Q2M, letting you easily hear every small detail in your music and providing a wider dynamic range than with portable audio products. Film capacitors work with the ES9038Q2M for clearer and more transparent treble.

[3 operating modes for you]: (1)Bluetooth receiving mode can free your old setup; (2)Bluetooth transmitting mode can create your own private theater; (3)Digital decoding mode for a serious upgrade to the sound.

[Qualcomm CSR8675 Bluetooth chip]: The BTA30Pro portable headphone amps utilizes the efficient Qualcomm CSR8675 Bluetooth chip for enhanced audio applications – supporting 32bit audio processing and equipped with a 120MHz DSP, it effectively integrates various Bluetooth decoding functions into one package.

[Variety of outputs]: Supports 6.35mm (1/4 in.) headphone out/RCA line-out outputs, the RCA line-out line signal is adjustable up to a maximum of 2Vrms, so the K5Pro ESS portable DAC can be used with a variety of active speakers and external amplifiers.

[Easily handles low or high impedance headphone]: For a total power output of up to 1.5 W under a 32Ω load, and up to 20Vpp at 300Ω, K5Pro ESS desktop amplifier can easily handles any low or high impedance headphone.

[Various headphones with all kinds of sensitivities]: With ADC volume adjustment, K5Pro ESS portable headphone amplifier allows you to smoothly adjust volume at extremely fine increments without any undesirable noise nor with any channel imbalances. It means you could comfortably use various headphones with all kinds of sensitivities with it.

[3.5mm headphone jack]: Compatible with Android, iPhone iOS devices, for smartphone, laptop, computer, player listening music or playing game/watching TV shows/doing meeting/phone call and so on.

[Hi-Res Audio certified]: The JH3 earbuds has been certified by JAS and CEA, its ability to bring you accurate, high-fidelity audio as the artist intended. You could enjoy a clear, hifi sound for this earphone.

[Abundant accessories & parameters]: Accessories: headphone cable*1, carrying case*1, balanced ear tips*3 pairs (SML), bass ear tips*3 pairs (SML), foam ear tips*1 pair (M), instruction manual*1; Parameters: 10-40kHz frequency response, 106dB impedance, 28Ω sensitivity.

[Compatible with lots of systems]: Portable USB DAC KA3 compatible with various OSes like Android/iOS/Windows/Mac, you could use it connect with your smartphones/computer/players.

[Practical and beautiful RGB touch]: Besides exuding elegance, the RGB light indicator usefully indicates the current sampling rate. Blue light: 48kHz and below sampling rate; yellow light: 48kHz and above sampling rate; green light: DSD

[Low noise floor]: Clean sound for a great sound, featuring abundant power with high signal-to-noise ratio, low distortion, and almost 0 noise – this is true high-fidelity sound.

Quality Chips to Delight your Ears: The DAC is the PCM5102, with improvements to the flatness and delays of the internal digital filter meaning better sound quality and less audio delay. A high current amp circuit ensures good output power with great transient response

2 Gain Levels and BASS Boost: The E10K-TC comes with high/low gain adjustment as well as a bass boost. High gain is for higher impedance headphones that may need the extra volume, while the bass boost satisfies different listener's preferences when listening to various types of music

Low Noise Floor: Optimized active low pass and BASS circuit design ensure low noise floor in any situation, so your music is truly played back faithfully

[Lossless MQA decoding]: The K9 Pro amplifier supports the unfolding of MQA tracks, allowing you to listen to high-resolution audio files that are not only reasonably sized, but also retain master-level sound quality that brings you directly into the recording studio.

[Reliable hi-res Bluetooth]: The K9 Pro headphone amps employs the Qualcomm QCC5124 to handle Bluetooth duties, with support for formats such as LDAC, aptX HD and aptX Adaptive. This chip ensures that Bluetooth connections are both reliable and quick, satisfying both the low latency needs for games/videos and the high bitrate necessary for high resolution audio. Bluetooth format support: AAC/SBC/aptX/aptX LL/aptX HD/LDAC/aptX adaptive

[Plentiful connectors for many connection ways]: ①Front: XLR 4-pin, 4.4mm balanced, 6.35mm single-ended headphone outputs ;②Rear: 4.4mm balanced Line In; coaxial, optical, RCA, XLR out; for more convenient connections to external amps and speakers; ③Side: USB Type-C port, for your player, mobile phone,PC.

[Support MQA ]: A new addition to the updated BTR5 2021 bluetooth headphone amps is support for MQA Renderer, allowing for high-resolution, master-level sound quality in reasonably sized files well-suited for your mobile device. PS: Supports up to MQA 16x decoding with applicable music apps.

[XMOS XUF208 USB chip]: BTR5 2021 headphone amps is capable of asynchronous audio decoding under USB Audio Class 2.0. As a USB DAC, the BTR5 2021 portable amplifier can decode up to 384kHz sampling rate and native DSD. PS: USB DAC functionality supports 2 modes, driverless USB 1.0 and high-performance USB 2.0 .

[More points/details]: 3.5+2.5mm dual outputs, cVc 8.0 noise cancellation, in-vehicle mode, OLED display, FiiO Music app, Dual crystal oscillators and USB Audio Adapter mode....

[HD microphone with line controls]: The JD3 earphone features line controls allowing you to place calls, play/pause music, and adjust volume to your liking.

[Easy to drive]: Frequency response:10-40kHz , impedance: 16Ω ; sensitivity:107dB.

[Hi-Res certified & Abundant accessories ]: (1)The JD3 wired earphones has been certified by JAS and CEA. (2)Accessoriess: Black velvet storage pouch*1, ear tips*4 pairs (SS/S/M/L), maintenance card*1

[Compatible with great variety of earphones]: High-quality expanded MMCX connectors are utterly reliable and ensure that the LC-RC upgrade cable can be compatible with a great variety of earphones. Plus “left blue right red” markings to help you easily identify how the cable should be connected.

[Good material used for outer sheath]: The TPU material is resistant against yellowing after long-term use and against stiffening even in low-temperature environments. So the outer sheath of this earphones cable we chosed environmentally friendly German TPU material.

[Interchangeable sound filters]: The flagship FH9 earbuds comes standard with three interchangeable sound filters. Each sound filter has its own damping and filter density, allowing you to choose between three different sound signatures: Red sound filter——Enhanced, dynamic bass focus; Black sound filter——Clear, transparent, balanced timbre; Green sound filter——Highly resolving, detailed treble focus.

[Stainless steel angled MMCX connectors]: The beautiful stainless steel angled MMCX connectors are designed to make your wearing experience as painless as possible. Details such as the special angle allow you to more easily connect your IEMs for more comfortable wearing as well as the left blue right red indicators to quickly get you going. All serve to let you purely focus on enjoying your music.

[High-quality pure silver cable]: Included with the FH9 earphones is a high-purity pure silver cable with 8 branches of 28 wires each, for a total of 224 wires. Each wire is individually isolated and all are braided together in the Litz style. The outer sheath of the cable is made from environmentally friendly TPU, which not only sports a radiant transparent look but is also resistant against yellowing under long-term use and stiffening when in low-temperature environments.