Can Q4 output analog stereo audio through both the 3.5mm headphone jack and the RCA red/white jacks at the same time?

Q4 will mute the RCA output when headphones are plugged in.

How do I connect Q4 to my computer with USB input?

Your other USB cables must support OTG function. -For iPhone: Use a USB B to Lightning OTG Cable. -For Android: Use a USB B to TYPE C Cable.

Where is the 0db position (Q4)?

The 0db position is at 12 o'clock on the knob.

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Fosi Audio Q4 DAC Headphone Amp for PC, Desktop Digital to Analog Audio Converter for Home Stereo Amplifier and Powered Speakers, PC-USB/Optical/Coaxial Inputs, 3.5mm Headphone/RCA Outputs

Fosi Audio Q4 DAC Headphone Amp for PC, Desktop Digital to Analog Audio Converter for Home Stereo Amplifier and Powered Speakers, PC-USB/Optical/Coaxial Inputs, 3.5mm Headphone/RCA Outputs

Product ID: 146629540

Details

Brand
Fosi Audio
Maximum Supply Voltage
5
Minimum Supply Voltage
5
Mounting Type
Tabletop Mount
Number of Pins
11

🎧Drives 16Ω-200Ω headphones

🔊24-bit/192kHz HD audio

🔌USB/Optical/Coaxial inputs

KSh25111

Duties & taxes included

In stock

Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kenya.

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Description

🎶 Elevate Every Note — Your Sound, Your Rules

COMPACT POWERHOUSE - Sleek full-metal design fits anywhere while delivering low-jitter, crystal-clear sound.
READY OUT OF THE BOX - Includes all essential cables for effortless setup—no delays, just pure audio bliss.
SEAMLESS PLUG AND PLAY - Instant HiFi sound with zero driver hassle—just connect and elevate your audio game.
TAILORED SOUND CONTROL - Adjust bass and treble with premium metal knobs to craft your perfect audio vibe.
VERSATILE CONNECTIVITY - Multiple inputs (USB, Optical, Coaxial) and outputs (3.5mm, RCA) for ultimate device compatibility.

The Fosi Audio Q4 is a compact, entry-level DAC and headphone amplifier designed for professionals seeking high-fidelity audio enhancement. Supporting 24-bit/192kHz HD audio with USB, Optical, and Coaxial inputs, it drives headphones from 16Ω to 200Ω and outputs via 3.5mm and RCA. Featuring adjustable bass and treble controls in a durable metal chassis, it offers plug-and-play convenience and comes with all necessary cables for immediate use.

Specifications

ASIN	B07VDQQY95
Audio Output Mode	Stereo
Best Sellers Rank	#8,299 in Electronics ( See Top 100 in Electronics ) #10 in Headphone Amps #34 in Audio Component Amplifiers
Brand Name	Fosi Audio
Compatible Devices	Amplifier, Headphone, Speaker, Television
Customer Reviews	4.4 4.4 out of 5 stars (3,314)
Included Components	User Guide
Interface	Coaxial, Optical, USB
Item Dimensions L x W	3.9"L x 2.9"W
Item Weight	430 g
Manufacturer	Fosi Audio
Material Type	Metal
Maximum Supply Voltage	5 volts_of_direct_current
Minimum Supply Voltage	5 volts_of_direct_current
Model	Q4
Mounting Type	Tabletop Mount
Number of Channels	1
Number of Pins	11
Part Number	Q4
Unit Count	1 Count
Warranty Description	24-month warranty

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KSh25111

Duties & taxes included

In stock

Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kenya.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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