FiiO at Audio46

FiiO K7 BT Desktop DAC/Amp with Bluetooth (Open Box)

Product SKU: K7BT (OB)

 

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$249.99 Retail
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Product Details

↓ Details provided by FiiO

Key features

  • Truly balanced headphone amp
  • THX AAA 788+ amp technology
  • Dual AK4493S DACs
  • QCC5124 Bluetooth
  • LDAC/aptX Adaptive and other formats support
  • App control
  • Multiple intelligent protection systems
  • Power supply with numerous independent LDOs
  • Included 12V/24W low-noise switching power supply

Aimed at audiophiles and music enthusiasts, the high-fidelity FiiO K7 BT is a compact desktop USB DAC and balanced headphone amplifier designed to faithfully reproduce your music when listening to audio from your computer, smartphone/tablet, or another digital music player. The K7 BT 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.

FiiO K7 BT Desktop DAC Headphone Amplifier Lifestyle Photoshop

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 BT acts as a bridge between your computer, phone, speakers, and headphones, allowing them to work together seamlessly. Further enhancing this function is the handy Bluetooth 5.1 functionality, courtesy of the Qualcomm QCC5124 Bluetooth chip, which supports hi-res Bluetooth formats for low-latency wireless audio streaming. 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.

FiiO K7 BT: Desktop DAC & Headphone Amplifier

A New Baseline for Balanced Desktop Sound

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

Dual AK4493SEQ Chips for Precise DAC

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.

Robust Decoding Capabilities

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

Large Volume Knob + RGB Indicator Lights

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 BT to handle headphones of various impedances and sensitivities for rich and consistent listening.

FiiO K7 BT Bluetooth DAC/Amp Lifestyle Photograph

HD Bluetooth for a Reassuring Wireless Experience

The Bluetooth version of the K7 uses a QCC5124 Bluetooth chip, supporting high-definition Bluetooth 5.1 formats like LDAC, aptX HD, and aptX Adaptive. When using the K7 BT, switch the input mode to Bluetooth, and you will enjoy low-latency Bluetooth transmission and hi-res sound quality. Plus, the convenient app controls help to further enhance your wireless experience.

A Variety of Inputs and Outputs in One Place

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)

Robust External Power Supply

The K7 BT 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.

SPECIFICATIONS

Form Factor Desktop
Converter Type D/A Converter
Number of Channels 2 x D/A
Converter Circuitry D/A Chipset:
1 x XMOS XUF208
Maximum Sampling Rate

384 kHz / 32-Bit (PCM)

Analog Audio I/O 1 x Stereo RCA Coaxial Stereo Input
1 x Stereo RCA Coaxial Line Output
1 x 1/4" TRS Headphone Output
1 x 4.4 mm TRS Headphone Return
Digital Audio I/O 1 x TOSLINK Optical S/PDIF Input
1 x RCA Coaxial S/PDIF Input
Host Connection / USB 1 x USB-B
Sync I/O None
Network I/O None
MIDI I/O None
Wireless Bluetooth
*Built-In
Frequency Response 1/4" Line Outputs:
20 Hz to 20 kHz ±0.4 dB (UAC)
20 Hz to 20 kHz ±0.8 dB (SPDIF IN)
20 Hz to 50 kHz ±2.2 dB (UAC)
20 Hz to 50 kHz ±1.7 dB (SPDIF IN)
1/4" Headphone Outputs:
20 Hz to 20 kHz 0.3 dB (UAC)
20 Hz to 20 kHz (SPDIF IN)
20 Hz to 50 Hz -2.1 dB (UAC)
20 Hz to 50 kHz ±1.6 dB (SPDIF IN)
Headphone Output Power 1/4": 1220 mW per Channel into 32 Ohms (1% THD)
4.4 mm: 2000 mW per Channel into 32 Ohms (1% THD)
Impedance 1/4" Headphone Outputs:
32 Ohms
SNR RCA Line Outputs:
≥ 116 dBA
1/4" Headphone Outputs:
≥ 128 dBA (Aux In)
≥ 120 dBA (UAC In)
THD+N Line Outputs:
0 dB
Crosstalk RCA Line Outputs:
≥ 102 dB
1/4" Headphone Outputs:
≥ 77 dB
4.4 mm Headphone Outputs:
≥ 124 dB
Sample Rates USB-A Output:
Up to 384 kHz (PCM)
RCA Output:
192 kHz (PCM)
TOSLINK Output:
96 kHz
Bit Depths 24 / 32-Bit
Digital Audio Decoding PCM
OS Compatibility macOS
Windows
*As of June, 2023: Check with manufacturer for the most up-to-date compatibility
Mobile App Compatible No
*As of June, 2023: Check with manufacturer for the most up-to-date compatibility
Dimensions 0.6 x 0.4 x 0.2' / 168 x 120 x 55 mm
Weight 1.3 lb / 610.0 g

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