The FiiO K7 BT is a premium DAC/headphone amplifier featuring THX AAA 788+ amplification in an aluminum alloy chassis. It delivers impressive audio performance with 2000mW balanced output (32Ξ©), 128dB SNR, and ultra-low 0.001% THD. Supporting high-res formats up to DSD256 and 384kHz/32-bit PCM, it offers versatile connectivity including USB-B, optical, coaxial, and Bluetooth 5.1. The unit includes both balanced (4.4mm) and single-ended (1/4") outputs, with a 112-step precision volume control.
Specifications
Price
Specifications
Basic information
Brand
fiio
Model
K7 BT
Amplification type
THX AAA 788+
Product type
DAC/Headphone Amplifier
Colour
Black
Material
Aluminum alloy
Warranty support
Standard warranty
1-year
Support type
Official FiiO warranty
Input specifications
Analogue inputs
RCA
1
Digital inputs
Coaxial
Yes
USB
Connector type
USB-B
Version
USB-B
Supported
Yes
Optical
Yes
Power specifications
Power supply
Current
2
Current unit
A
Type
External
Voltage unit
V
Voltage
12
Features
Gain settings
Low, High
Gain unit
dB
Special functions
Bluetooth 5.1, RGB indicator lights
Volume control
112-step precision knob
Included accessories
USB Cable, Power Adapter, Power Cable
Audio performance
Dynamic range
Unit
dB
Unbalanced
77
Balanced
124
Frequency response
Range
20Hz-20kHz
Tolerance
Β±0.3dB
Signal to noise ratio
Unit
dB
Value
128
Total harmonic distortion
Unit
%
Value
0.001
Physical specifications
Dimensions
Depth unit
mm
Depth
55
Height unit
mm
Width
168
Width unit
mm
Height
120
Weight
Unit
g
Value
610
Audio format support
DSD
Formats
DSD256
PCM
Sampling rates
384kHz, 192kHz, 96kHz
Bit depth
24-bit, 32-bit
Output specifications
Headphone outputs
Single ended
Power output
560mW
Connector type
1/4"
Impedance
300
Impedance unit
ohms
Balanced
Power output
2000mW
Connector type
4.4mm
Impedance
32
Impedance unit
ohms
Line outputs
Level
2
Level unit
Vrms
Type
RCA
Compatibility
Recommended headphone impedance
Unit
ohms
Minimum
16
Maximum
600
Supported devices
Windows, macOS, Smartphones, Tablets

