Nobsound A5 TPA3255 Stereo Amp HiFi Audio Class D Amplifier High-Pass Filter Home Power Desk Amp 300W with 32V/5A Power Supply

Features

HiFi Sound with Adjustable High-Pass Filter: This TPA3255 amplifier features an adjustable high-pass filter (HPF) 30-200Hz to refine mid-high frequencies while minimizing low-frequency interference. Perfect for bookshelf or passive speakers, it enhances clarity and creates a dynamic soundstage ideal for home stereo and theater audio systems.

Easy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.

PFFB Technology and High-Performance PCB: Built with Post-Filter Feedback technology circuit and a 4-layer immersion gold PCB, this digital amplifier reduces distortion and improves frequency response. Enjoy unparalleled audio precision, enhanced signal integrity, and effective heat management.

Stunning Design for Living Rooms and Studios: Sleek and modern, the compact power amp is equipped with a transparent panel and adjustable internal LED lighting. Multiple color options create a futuristic look, adding sophistication to your home audio setup or studio.

300W×2 Power with Premium Components: Powered by the TPA3255 chip and premium components, A5 delivers distortion-free audio with ultra-low THD (0.002%) which is perfectly compatible with the DAC-Q11. Whether you’re enjoying weekend movie nights, evening music sessions, or after-work relaxation, A5 can deliver exceptional sound quality.

Warm tips

1. The A5 with 2PCS pluggable NE5532 op-amps, can be upgraded by dual op-amps like 2134/2604/5532/2068/muse02 etc.

2. Default comes with 32V/5A power adapter enough for common use, if you want higher power output to drive your speaker better, please prepare it yourself.

Parameters

Brand: Douk Audio

Model: A5

Audio input: Stereo RCA

Audio output: Banana speaker jacks/3.5mm AUX

High-pass filter adjustment range: 30Hz-200Hz

Max. output power: 300W*2 (4Ω)

Matched speaker impedance: 4-8Ω

THD+N: 0.002%

SNR: ≥114dB

Input sensitivity: 2V

AUX rated output level: 3.7V

Frequency response: 20Hz-20KHz (±0.7dB)

Working voltage: DC 24-48V

Dimensions (W*D*H): 130*102*33mm / 5.12*4.02*1.30in

Package dimensions (W*D*H): 265*240*65mm / 10.43*9.45*2.56in

Net weight: 506g / 1.12lb

Package weight: 1.1kg / 2.43lb

Power Output Table of  The A5

Packing list

1* A5 Amplifier

1* DC 32V/5A Power Adapter

1* User Manual