What’s the sample rate of USB/Optical/Coaxial?

USB supports up to 24-bit 96 KHz, while Optical and Coaxial support up to 24-bit 192 KHz.

My K5 Pro won't turn on with my iPhone 14.

Ensure you are using a USB-C to Lightning OTG cable. For devices that may not output enough power, try using an additional USB splitter cable for power supply.

To power on the device, press and hold the volume button for a longer time.

How to use K5 PRO with PS5?

Plug headset into K5 Pro via 3.5mm splitter. Go to PS5 Settings > Sound > Audio Output, select Output Device > Fosi Audio K5PRO. Adjust mic level to optimal range. Ensure PS5 output/input set to Fosi Audio K5PRO.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Converter USB Type C/Optical/Coaxial to RCA/3.5MM AUX for PS5/PC/MAC/Computer

Product ID: 524567835

Details

Brand
Fosi Audio
Compatible Devices
Headphone
Connectivity Technology
USB Optical
Item Weight
425 Grams
Number of Channels
2

🎧Supports 16-300Ω headphones

🔊1000mW output power @16Ω

🔗24bit/192kHz USB-C/Optical/Coaxial input

$215.30

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎮 Level up your audio game with Fosi K5 Pro – hear every detail, feel every moment.

CUSTOM SOUND CONTROL - Master volume, bass, and treble knobs let you tailor your audio experience on the fly.
IMMERSIVE GAMING AUDIO - Next-gen DAC with ultra-low distortion for crystal-clear sound that puts you in the game.
POWERFUL AMPLIFICATION - Delivers up to 1000mW output, driving headphones from 16Ω to 300Ω with ease.
VERSATILE CONNECTIVITY - Seamlessly switch between USB-C, Optical, and Coaxial inputs for all your devices.
COMPACT MULTI FUNCTIONAL - 2-in-1 USB Type C port doubles as charging and audio input—perfect for PS5, PC, Mac, and mobile.

The Fosi Audio K5 Pro is a premium gaming DAC headphone amplifier featuring a Texas Instruments NE5532 op-amp, supporting high-resolution 24bit/192kHz audio via USB-C, Optical, and Coaxial inputs. It powers headphones from 16Ω to 300Ω with up to 1000mW output, includes master volume and tone controls, and offers versatile connectivity for PS5, PC, Mac, and mobile devices—all in a compact, stylish design backed by a 24-month warranty.

Specifications

ASIN	B0BFHFSX4C
Best Sellers Rank	#103,015 in Electronics ( See Top 100 in Electronics ) #156 in Hi-Fi Amplifiers
Brand Name	Fosi Audio
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (1,737)
Importer Contact Information	[email protected]
Manufacturer	Fosi Audio
Manufacturer Part Number	K5 Pro
Model Number	K5 PRO
Number of Items	1
Packer Contact Information	[email protected]
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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