Douk Audio A5 2 Channel TPA3255 Stereo Amp, 300 Watts x2 Mini Hi-Fi Audio Power Amplifier Class D for Home Theater System, Passive Bookshelf Tower Speakers with High-Pass Filter + 32V Power Supply

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Product Description

Douk Audio A5 Digital Amplifier

TPA3255 | High-Pass Filter | Op-Amp Rolling | PFFB | Glass Panel

Precise Low-Frequency Control

Adjustable 30Hz-200Hz high-pass filter for precise bass control and improved sound quality.

Customize Your Sound

Supports NE5532 op-amp replacement with models like 2134 or 2604 for personalized audio tuning.

Premium Transparent Design

Equipped with a tempered glass cover, showcasing internal components with elegance and durability.

Stylish Blue LED Accent

Built-in soft blue ambient light creates a high-tech vibe while enhancing visual comfort.

Efficient High-Power Amplification

Powered by TI’s TPA3255 chip, delivering 300W per channel to drive various speaker types.

1 High-Pass Filter

2 Replaceable Op-Amp

3 Glass Panel

4 Ambient Lighting

5 TPA3255 Core Chip

Enhanced Dynamic Performance

Utilizes PFFB (Pure Feed-Forward) technology to minimize distortion and improve dynamic sound.

Stability and Efficiency

High-precision 4-layer PCB design ensures stable signal transmission and efficient heat management.

Quiet and Efficient Cooling

Optimized heat sink and structure design ensure stable operation during extended use.

High-Quality Build Materials

Features high-quality internal components for reliable performance and high-fidelity sound output.

1 PFFB Technology

2 4-Layer PCB

3 Superior Heat Dissipation

4 Premium Components

5 Power Output Table

Perfect for High-Fidelity Music Playback Compatible with Active Subwoofers Drive Your Living Room Tower Speakers Ideal for Desktop Audio Setup Perfect Match for Douk Audio Q11 DAC
1 2-CH Hi-Fi Stereo System

2 2.1-CH Surround Sound

3 Home Theater Setup

4 Studio or Workspace

5 Audio Enthusiasts and DIY

1 Elegant Design

2 Front

3 Back

4 Side

5 Top

Parameters

Audio input: Stereo RCA Audio output: Banana speaker jacks / 3.5mm AUX HPF 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): 95 × 92 × 50mm / 3.74 × 3.62 × 1.97in 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 Packing list: 1 * A5 Amplifier; 1 * DC 32V/5A Power Adapter; 1 * User Manual

Douk Audio & Nobsound Recommendation

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Customer Reviews

4.4 out of 5 stars 14

4.2 out of 5 stars 12

4.4 out of 5 stars 638

4.4 out of 5 stars 301

4.5 out of 5 stars 24

4.3 out of 5 stars 1,022

4.2 out of 5 stars 363

Price

$99.99$99.99

$199.99$199.99

$70.39$70.39

$109.99$109.99

$159.99$159.99

$199.99$199.99

$159.99$159.99

Type

2-CH Digital Amplifier

Stereo / Mono Digital Amp

2-CH Bluetooth Digital Amp

2-CH Bluetooth Tube Amp

Digital to Analog Converter

Bluetooth Tube Preamplifier

Speaker / Amplifier Switch

Input

Stereo RCA

Stereo RCA

Bluetooth/RCA/U-disk

Bluetooth/RCA/USB/OPT .etc

PC-USB / Coaxial / Optical

BT/USB/OPT/RCA/AUX

Amplifiers

Output

Banana speaker jacks / AUX

Banana speaker jacks / AUX

Banana jacks / Single RCA

Banana speaker jacks / AUX

2 Stereo RCA / 2 AUX

OPT/RCA/Headphone…

Speakers

Power

300 watts x2

300 watts x2 / 600 watts

160 watts x2

100 watts x2

–

750mW (Headphone)

Support Max. 350W

THD

0.002%

0.002%

0.04%(1kHz 1W)

0.07%

0.0003%@1kHz

0.1%

–

SNR

114dB

115dB

98dB

98dB

117dB

106dB

–

Frequency Response

20Hz-20KHz (±0.7dB)

20Hz-20kHz (± 0.5dB)

20Hz-20KHz(±3dB)

20Hz-20kHz(±1dB)

20Hz-20KHz (±0.3dB)

20Hz-20kHz(±1.8dB)

–

Feature

High Pass Filter

Mono / Stereo Switchable

Tone Control

Multiple Inputs

ESS9038 + AK4493 Dual Chips

Pluggable VU Meter

VU Meter Audio Switch

Package Dimensions ‏ : ‎ 10.43 x 9.45 x 2.56 inches; 1.12 Pounds
Item model number ‏ : ‎ A5
Date First Available ‏ : ‎ January 3, 2025
Manufacturer ‏ : ‎ Douk Audio
ASIN ‏ : ‎ B0DS41KM9B
Country of Origin ‏ : ‎ China

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.

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