Aimed at audiophiles and music enthusiasts, the high-fidelity FiiO K7, styled in red, is a compact desktop USB DAC and truly balanced headphone amplifier designed to faithfully reproduce your music when listening to audio from your computer, smartphone, tablet, or other digital music player. The K7 employs dual high-resolution AK4493S DACs to deliver rich audio details and a superior performance at up to a 384 kHz sampling rate supporting native DSD256. Dual THX AAA 788+ amp chips deliver powerful, nuanced sound.

Equipped with RCA analog line inputs, optical and coaxial digital inputs, a USB Type-B port, RCA analog line outputs, and two headphone jacks, the K7 acts as a bridge between your computer, phone, speakers, and headphones, allowing them to work together seamlessly. Switchable low- and high-gain levels are available, enabling you to use the amplifier with almost any headphones at comfortable volume levels. Constructed from durable aluminum alloy, the elegant design is just over 2" thick, allowing you to easily place it on modern desktops and workstations.

For Computers, Phones, Music Players    Dual High-Resolution AK4493S DACs    XMOS XUF208 USB Decoding Chip    Supports 384 kHz / 32-Bit, DSD256    Unbalanced 1/4" & Balanced 4.4mm Jacks    Dual THX AAA 788+ Amp Modules    Coaxial / Optical / RCA Line Inputs    Two Gain Levels, RCA Line Outputs    Big Knob with RBG Status Indicators    External Power Supply with AC Adapter

• The K7 has a six-stage audio circuit with truly balanced analog and digital sections, helping to reduce crosstalk and accurately reproduce your music for a more enjoyable listening experience.
• Using the same THX AAA 788+ amplifiers as the K9 Pro, the K7 is capable of outputting 560mW into a 300-ohm load at 1% distortion. This ensures both low- and high-impedance headphones are powered properly.

The left and right channels are each equipped with an efficient high-performance AK4493SEQ digital to analog converter to provide nuanced and delicate reproduction of your favorite music.

The XMOS XUF208 decoder chip uses dual clock management to handle various music formats with ease, allowing you listen to many audio formats.

• The large volume dial provides precisely tuned gain control over a smooth 112 steps of adjustment.
• The RGB indicator lights are capable of displaying single colors as well as mixed colors, with a unique light flow effect during powering on/off and input switching. Dazzling and vivid light effects add visual spice to your desktop.
• The high- and low-hardware gain levels allow you to easily adjust the K7 to handle headphones of various impedances and sensitivities for rich and consistent listening.

• Two headphone outputs are provided, a 1/4" unbalanced jack and a 4.4mm balanced connector.
• Unbalanced RCA line inputs and output connectors along with coaxial, optical, and USB digital connectors are on the rear panel
• One key controls switching between the four different inputs, while a second key allows you to switch between three different output modes (for use with headphones, speakers, or as a DAC)

• The K7 features a power design consisting of multiple independent stages, with a voltage of each regulated by low-noise LDOs.
• Feeding this power design is an external 12V switching power supply engineered to provide plenty of clean power for your sonic enjoyment.

Related Questions and Answers

Q: 1. Is this a Bluetooth transmitter or only a Bluetooth receiver?

A: This is a Bluetooth receiver only.

Q: 2. Do I need a four pole jack mic for this to work with my 2008 MacBook or will my 3-pole (2 little plastic rings) Sennheiser jack work with it?

A: Yes, you will need a 4 pole headphone. This is a 4 pole jack.

Q: 3. Is the frequency of 5Hz to 80kHz the same for both a wired connect & a wireless connection?

A: The 5 Hz to 80 kHz frequency response range for the FiiO M17 Desktop-Class Digital Audio Player (B&H # FIM17) applies to all kinds of audio outputs available.

Q: 4. Can you charge the Fiio Q3 MQA using the usb-c port connected to a wall outlet adapter, or can it only be charged by computer?

A: The FiiO Q3 MQA Portable DAC and Headphone Amplifier (BH # FIQ3SMQA) will charge via a USB -C AC wall charger.

Q: 5. Will this work on a laptop that has USB A ports but does not have a USB C port?

A: Any computer with a typical USB-A port can use the Audioengine D1P 32-Bit Portable Headphone Amplifier and DAC. All you'll need is a USB-C to USB-A cable.

Q: 6. Is there a magnetic phono input?

A: The FiiO R7 All-in-One Desktop Hi-Fi Streaming Player & Amplifier (Black) does not have a magnetic phono input. Here is a link to a page from Fiio that shows all of the inputs that are available on the Fiio R7. https://www.fiio.com/newsinfo/819618.html

Q: 7. Will this display album art?

A: Yes the FiiO M17 Desktop-Class Digital Audio Player will display the album cover.

Q: 8. Does it work for mic input?

A: This works with headphone / mic combos only.

Q: 9. Does it have Dolby? Most people still with cassettes are recorded with Dolby that would consider buying...

A: The FiiO CP13 Portable Stereo Cassette Player (Red/Silver) does not have Dolby.

Q: 10. will the sound blasterx G17.1 usb sound card support 48000 sample rates in amateur radio equipment ?

A: this supports Up to 24-bit / 96 kHz.