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Overview

Transform your gaming audio experience with the K7 DAC/amp’s bold, innovative design and powerful internal architecture. Featuring a flagship AK4493SEQ chipset and custom balanced circuitry, the K7 reproduces every sound detail with stunning depth and clarity—crucial for epic showdowns or immersive open-world exploration.

Fosi Audio K7 Gaming HiFi DAC/Headphone Amplifier with Tone Tuning and Balanced Output

Model: K7
Web Code: 19262411
Sold and shipped by | 4.5 seller rating (540 reviews)

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Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Angled Ergonomic Design

A thoughtfully crafted chassis ensures comfortable, intuitive operation. The volume knob and all interface controls sit at an angle, making on-the-fly adjustments seamless during intense gaming sessions or focused music listening.

Flagship Chipset & Fully Balanced Circuitry

Powered by an AKM AK4493SEQ DAC chip and a custom balanced circuit, the K7 delivers ultra-low distortion of 0.0002%, ensuring precise audio reproduction and clarity. Equipped with multiple LDO regulators, the K7 effectively reduces noise and interference for a clean, transparent listening experience.

Hi-Res Bluetooth Connectivity

The built-in Qualcomm QCC3031 chip supports aptX HD, aptX LL, aptX, AAC, and SBC codecs, offering up to 24-bit/48kHz lossless transmission. Under-40ms latency minimizes lag, perfectly syncing audio and visuals whether you’re gaming, streaming, or enjoying music wirelessly.

Comprehensive I/O & Mic Noise Reduction

Enjoy versatile inputs including USB, optical, coaxial, and a Bluetooth interface. The dedicated microphone input with noise reduction ensures your voice is captured clearly for online gaming or virtual meetings. Balanced headphone and line outputs allow flexible setup for any scenario.

1.5-Inch LCD & Tactile Controls

An easy-to-read screen displays real-time sample rates and input modes, while tactile shortcut buttons and multi-functional pressable knobs let you switch settings instantly. This efficient design keeps you focused on the action rather than fumbling with complicated menus.

Triple Intelligent Protection

Overheat, overload, and overcurrent safeguards keep the K7 operating smoothly for uninterrupted gaming and entertainment. Combined with a robust aluminum alloy body and CNC integrated construction, the result is a durable DAC/amp that stands up to heavy daily use.

High-Power Output & Exceptional Sound

By providing ample power to fully drive headphones and an ultra-low noise floor below 3µV, the K7 ensures every detail of your game audio or music mix is vividly revealed. It’s the perfect solution for audiophiles and competitive gamers alike.

Specifications:

Chipset: XMOS XU208+AKM4493SEQ+QCC 3031+TPA6120

Maximum Sampling Rate

USB:PCM 384kHz-32bit/DSD256

Optical: PCM 24bit/192kHz

Coaxial: PCM 24bit/192kHz

Bluetooth:PCM 24bit/48kHz

Headphone Impedance: 16-300Ω Input

Coaxial, Optical, USB-C, Bluetooth, 3.5mm Microphone Output

RCA, 3.5mm Single-Ended, 4.4mm Balanced

Firmware Upgrade

XMOS firmware can be updated via the Type-C interface

Bluetooth Version 5.0

Bluetooth Connection Distance ≤13m

Noise Floor ≤2.5μV

Bluetooth Transmission Audio Format

SBC, AAC, aptX, aptX HD, aptX LL

Input Voltage and Current

DC 12V 2A

USB Compatible Devices

Windows 7, 8, 8.1, 10, 11 (Driver required)

Mac OS X, Linux (No driver required)

Product Condition
Brand New
Headphone Accessory Type
Amps & Bluetooth Receivers
Primary Accessory Usage
Music Playing

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Headphones, earphones, and ear buds (of any kind including AirPods)
Return/Exchange Period
30 days
Condition
Unopened, No signs of use

Due to hygiene concerns, this product cannot be returned if opened

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