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BUDGET, BALANCED, BETTER! - FiiO k7 Review
Desktop DAC/amp review signal for FiiO K7 and the budget balanced audio category.
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Audio
FiiO K7
A desktop DAC and headphone amplifier with dual AK4493SEQ DACs and balanced headphone output.
Brand
FiiOReference Price
$199
Reference price; regional pricing and bundles may differ.
ampdesktopHiFidac
Audio Details
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
Key Facts
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
Product Overview
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.
What Stands Out
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.
Why It Matters
It shows how a Chinese audio brand can bring measured desktop-audio capability into a simpler finished product for everyday headphone listeners.
Best For
Desktop listeners who want one DAC/amp for wired headphones, computer audio, optical/coaxial sources, and a compact listening setup.
Not For
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.
Things to Know
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.
Sources
Official product page
fiio.com
Covers
K7 desktop DAC/amplifier role, dual DAC and THX AAA amplifier language, input/output layout, and headline power figures.
Official parameters
fiio.com
Covers
DAC, USB decoder, amplifier, outputs, inputs, output power, signal-to-noise ratio, output impedance, weight, and dimensions.
Official company page
fiio.com
Covers
Identifies Guangzhou FIIO Electronics Technology Co., Ltd. and describes FiiO's Chinese HiFi brand context.
Original reviews and coverage
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