






FiiO K7 Desktop DAC and Amplifier
FiiO →Price
$209.99
Rating
Description
How to use the K7 as a USB DAC for mobile phones? K7 does not have a battery, it is powered by a built-in linear power supply, you can purchase an OTG cable to connect to an Android phone, an iPhone or a player. Android phone K7 input setting: K7 [INPUT] switch to USB gear K7 output setting: switch to the corresponding output port according to the interface used, switch to [PO] on the front panel headphone out, switch to [PRE] or [LO] on the rear panel line-out. Connect the phone and K7 via USB C to USB B data cable (such as FiiO LD-TC1) [Note] If there is no sound after you connect, you need to pay attention to the following points: Mobile phone playback software settings, if there is a USB output setting that needs to be turned on, some devices only have sound when the USB output is turned off; Confirm that USB debugging is enabled in the developer mode of the mobile phone; You need to turn on USB debugging on the mobile phone, turn on "Developer Options", and then turn on the "USB debugging" or "OTG" function; Confirm that the adapter cable supports the OTG function, and whether the direction of the cable is reversed; IPhone/iPad You need to purchase a Lightning to USB B data cable which supports OTG function(e.g. FiiO LD-LT1) to connect K7 and iPhone/iPad/iPod, and you can enjoy high-quality music by playing songs.
Key Features
- •The most competitive and cost-effective desktop balanced DAC/Amp within the 300-USD range;
- •Adopts the six-stage audio circuit as in FiiO’s high-end devices, and features 2 AMK’s latest AK4493SEQ DACs and dual THX AAA 788+ amps;
- •Supports multiple outputs- 4.4mm balanced out, 6.35/3.5mm single-ended out, as well as multiple inputs- USB, optical, coaxial and AUX in;
- •Comes with versatile functions as well as robust output power- 1% THD+N under BAL output, 2000mW stable output power, which can drive most headphones, including full-size headphones;
- •Supports input selections, 2 gain levels and 3 output levels, and features RGB indicator lights that can display the working state and differentiate sampling rates.
Product Details
Product ID
B0BJKKPL71
ASIN
B0BJKKPL71
Category
Electronics > Headphones, Earbuds & Accessories > Amplifiers
Reviews
709
Prime Eligible
Yes
Last Scraped
2/18/2026
Technical Details
PDP Compliance Check
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