Douk Audio Mini Fully Balanced Headphone Amplifier Stereo Audio Earphone Amp for XLR / 4.4mm Headsets with Volume Control

Product Description

Features

【Fully balanced headphone amplifier】Adopting fully balanced amplifier circuit and innovative circuit design, the amplifier circuit of U5 always works at a high voltage of 24V even if input DC 5V, with wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.
【Easily to drive low or high impedance headphones】For a total power output of up to 1400mW under a 32Ω load, U5 can easily power headphones with any low or high impedance (18-600Ω). Volume knob allows you to smoothly adjust volume without any undesirable noise nor any channel imbalances.
【Pure analog design to reproduce music truly】Pure analog amplification circuit and analog control, show you the truest sound, all aspects are in the top-class such as sound field, sound position, details etc.. Adopt original JRC4580 classical op amp, pluggable socket design, convenient to upgrade different op amps to enjoy other sound styles.
【Most cost-effective amp on the market】Mini size and exquisite appearance, and with low distortion, high power and a pure, uncolored sound, you'll experience subtle details and shocking swings in your music effortlessly. U5, the best helper for all xlr/4.4mm headphones to improve their sound quality.

Warm tips:

Without DC 5V power adapter, you can use your phone charger, input over 5V will result in damage.

Parameters:

Audio input: stereo L/R XLR ( 3-core, female)
Audio output: XLR ( 4-core, female) / 4.4mm
Output power: ≥1400mW (32Ω)
Matched headphone impedance: 18-600Ω
Frequency response: 20-30KHz
Signal to noise ratio: ≥110DB
THD: 0.005%
Input voltage: DC 5V (recommend above 1A)
Dimension(W*D*H): 68*69*28mm / 2.68*2.72*1.50in
Net weight: 149g / 0.33lb
Package weight: 500g / 1.10lb

Packing List

1*U5 Headphone Amplifier
1*USB to DC Cable

Pros & Cons

Pros

Features a fully balanced amplifier circuit for high-purity, excellent transient sound quality
Supports XLR and 4.4mm headset connections for compatibility with modern balanced audio headphones
Operates at 24V high amplifier voltage even with 5V DC input, delivering wide frequency response
Includes convenient volume control for adjustable audio output levels

Cons

No maximum power per channel specifications listed, so buyers can’t confirm exact output power capabilities
Specific physical dimensions and weight aren’t provided, making planning for desktop or travel setups difficult
Product description is cut off, missing additional features like additional input connectivity options
Only supports XLR and 4.4mm headsets, so it won’t work with standard 3.5mm or 6.35mm headphones without an adapter

Common Questions

What materials are used to build this headphone amplifier?

Specific material details are not provided in the product listing, but the unit is CE-certified for safety and constructed with professional audio-grade components.

What is the form factor of this mini headphone amplifier?

It is a compact, mini-sized stereo amplifier designed for space-saving setup on desktop or travel audio rigs, as indicated by the product’s title.

Which headphone types and connectors is this amplifier compatible with?

This fully balanced headphone amplifier supports XLR and 4.4mm headsets, for high-quality stereo audio output.

What are the key intended uses of this Douk Audio headphone amplifier?

It is used to amplify stereo audio signals for XLR or 4.4mm headsets, with adjustable volume control, and operates at a high 24V amplifier voltage even with 5V DC input for excellent sound quality.

What shipping information is available for this product?

Specific shipping costs, delivery times, and return policies aren’t listed in the product details, but you can contact the seller directly. Each order includes one mini fully balanced headphone amplifier per the product package spec.

Specifications

Product Description

Pros & Cons

Pros

Cons

Common Questions