Would this be ok for 8ohm - 80w passive speakers?

No. This is a headphone amplifier with 160 *milliwatt* output. Unless you want to clamp one passive speaker to each side of your head, you won't hear much.

Would this work with 250 ohm beyerdynamic headphones?

Yes, but it wont be as loud compared to something with more power to drive higher impedance headphones.

is this an amp or a dac? and would it be a good pair for a senhieser HD560s?

This is a DAC with amp-like controls, and yes the HD560 impedance is 120 Ohms, this DAC can power up to 200.

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Fosi Audio Q4 Headphone Amplifier DAC Converter, Mini Stereo Digital-to-Analog DAC Amp, USB Coaxial Optical to 3.5MM AUX RCA Jack, for Computer Desktop Powered Active Speakers Up to 24 bit/192 kHz

Fosi Audio Q4 Headphone Amplifier DAC Converter, Mini Stereo Digital-to-Analog DAC Amp, USB Coaxial Optical to 3.5MM AUX RCA Jack, for Computer Desktop Powered Active Speakers Up to 24 bit/192 kHz

Product ID: 174108366

Details

Brand
Fosi Audio
Maximum supply voltage
5 Volts (DC)
Minimum supply voltage
5 Volts (DC)
Mounting type
Table
Number of pins
11

🎧Supports 16-200Ω headphones

💻24bit/192kHz high-res audio

🔊160mW RMS output power

€ 180.77

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Unlock Studio-Quality Sound Without the Hassle

SAFE RELIABLE - Built-in output protection circuit safeguards your expensive headphones and audio gear for worry-free listening.
COMPACT METAL BUILD - Sleek, durable full-metal chassis designed to fit perfectly on any desktop setup with premium tactile controls.
IMMERSIVE GAMING AUDIO - Texas Instruments NE5532 op-amps deliver ultra-low noise and crystal-clear soundstage for next-level immersion.
PLUG PLAY SIMPLICITY - No drivers or software needed—just connect and elevate your sound instantly.
VERSATILE CONNECTIVITY - Seamlessly converts USB, optical, and coaxial digital inputs to analog RCA and 3.5mm outputs for all your devices.

The Fosi Audio Q4 is a compact, beginner-friendly headphone amplifier and DAC converter that supports high-resolution 24bit/192kHz audio. It powers headphones from 16 to 200 ohms with 160mW RMS output, features versatile USB, optical, and coaxial inputs, and boasts a durable metal build with bass and treble controls. Perfect for gamers, audiophiles, and professionals seeking an easy plug-and-play upgrade for their desktop audio systems.

Specifications

ASIN	B07VDQQY95
Best Sellers Rank	16 in Headphone Amplifiers
Brand	Fosi Audio
Compatible Devices	Amplifier, Headphone, Speaker, Television
Country Of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (3,352)
Interface	Coaxial, Optical, USB
Item Dimensions L x W	9.9L x 7.4W centimetres
Item Weight	430 Grams
Manufacturer	Fosi Audio
Manufacturer Part Number	Q4
Material	Metal
Maximum Supply Voltage	5 Volts (DC)
Minimum Supply Voltage	5 Volts (DC)
Model Number	Q4
Mounting Type	Table
Number of Channels	1
Number of Items	1
Number of Pins	11
Product Warranty	24 months
Unit Count	1 count

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€ 180.77

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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