Brand capability
It shows how a Chinese audio brand can bring measured desktop-audio capability into a simpler finished product for everyday headphone listeners.

A desktop DAC and headphone amplifier with dual AK4493SEQ DACs and balanced headphone output.
Why This Product Is Here
It shows how a Chinese audio brand can bring measured desktop-audio capability into a simpler finished product for everyday headphone listeners.
Brand Evidence
It shows how a Chinese audio brand can bring measured desktop-audio capability into a simpler finished product for everyday headphone listeners.
K7 makes desktop audio look like a compact finished product instead of a stack of specialist boxes. It combines digital inputs, line input, balanced and single-ended headphone outputs, gain control, and visible volume-ring feedback in a small desktop chassis.
Desktop listeners who want one DAC/amp for wired headphones, computer audio, optical/coaxial sources, and a compact listening setup.
FiiO K7 is a desktop DAC and headphone amplifier built around dual AK4493SEQ DAC chips, XMOS XUF208 USB decoding, and dual THX AAA 788+ amplifier technology. FiiO's official specifications list 6.35mm and 4.4mm headphone outputs, USB/optical/coaxial/RCA inputs, balanced output power of at least 2000mW at 32 ohms, and a signal-to-noise ratio of at least 120dB.
A desktop DAC and headphone amplifier for wired headphone users who want stronger output and cleaner input management than a laptop or phone jack can provide.
K7 makes desktop audio look like a compact finished product instead of a stack of specialist boxes. It combines digital inputs, line input, balanced and single-ended headphone outputs, gain control, and visible volume-ring feedback in a small desktop chassis.
Desktop listeners who want one DAC/amp for wired headphones, computer audio, optical/coaxial sources, and a compact listening setup.
Not the right fit for users who need a battery-powered portable DAC/amp, speaker amplification, or wireless streaming in the non-Bluetooth K7 version.
FiiO also offers a K7 BT variant with Bluetooth support; keep the standard K7 and K7 BT feature sets separate.
Balanced output requires compatible headphones or cables.
Use the official spec sheet to verify power, input, and output details for the exact K7 version.
Brand
FiiOReference Price
$199
Check the official page for regional reference price, bundle details, and availability.
Product type
Desktop DAC and headphone amplifier
Listening style
Wired desktop headphone listening with balanced and single-ended outputs
Connectivity
USB, optical, coaxial, RCA, 6.35mm single-ended, and 4.4mm balanced connections
DAC
Dual AK4493SEQ / AK4493S family DAC chips, depending on official page wording
USB decoder
XMOS XUF208
Amplifier
Dual THX AAA 788+
Headphone outputs
6.35mm single-ended and 4.4mm balanced
Inputs
USB, optical, coaxial, and RCA
Balanced output power
At least 2000mW at 32 ohms, THD+N < 1%
Single-ended output power
At least 1220mW at 32 ohms, THD+N < 1%
Signal-to-noise ratio
At least 120dB, A-weighted, UAC
Output impedance
Less than 1 ohm at 32 ohm load
Dimensions
About 120 x 168 x 55 mm
Weight
About 610 g
Visual Detail
Compact desktop chassis, RGB volume ring, 6.35mm and 4.4mm front headphone outputs
Brand Context
FiiO turns specialist HiFi hardware into approachable desktop and portable products with clear specs, compact form factors, and global enthusiast recognition.
Brand Identity
FiiO's official company materials identify it as Guangzhou FIIO Electronics Technology Co., Ltd., established in 2007.
Brand Profile
Open the public brand page for FiiO.
Official product page
fiio.com
Used to verify
K7 desktop DAC/amplifier role, dual DAC and THX AAA amplifier language, input/output layout, and headline power figures.
Official parameters
fiio.com
Used to verify
DAC, USB decoder, amplifier, outputs, inputs, output power, signal-to-noise ratio, output impedance, weight, and dimensions.
Official company page
fiio.com
Used to verify
Identifies Guangzhou FIIO Electronics Technology Co., Ltd. and describes FiiO's Chinese HiFi brand context.
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