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FiiO K7 Desktop DAC and Amplifier

FiiO
Category: Electronics > Headphones, Earbuds & Accessories > Amplifiers

Price

$209.99

Rating

4.4(709 reviews)

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.
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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

AsinB0BJKKPL71
Best sellers rank#10,469 in Electronics (See Top 100 in Electronics) #16 in Headphone Amps
BrandFiiO
Customer reviews4.4 4.4 out of 5 stars (709) 4.4 out of 5 stars
Date first availableOctober 18, 2022
Interface typeCoaxial, Optical, RCA, USB
Item model numberK7
Item weight2.48 pounds
ManufacturerFiiO
Materialaluminum alloy
Maximum supply voltage12 Volts
Minimum supply voltage12 Volts
Mounting typeCable Mount
Number of channels6
Number of pins3
Product dimensions0.25"L x 0.17"W

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