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User Manual of Douk Audio A5 PRO
Warm tips：
- The A5 PRO with 2PCS pluggable NE5532 op-amps, can be upgraded by dual op-amps like 2134/2604/5532/2068/muse02 etc.
- The speaker output, AUX and 3.5mm headphone jack output can work at the same time, and the volume/treble/bass of the three outputs are controlled simultaneously.
- Upgraded Features for Versatile Use: The A5 PRO builds on the strengths of the A5, featuring upgraded Bluetooth 5.1 connectivity with a reset button, bass and treble knobs for precise tone adjustments, and a headphone output. It delivers clear, powerful audio, perfect for diverse uses from bedroom movies to desktop setups.
- Easy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 PRO 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.
- Impressive Power Output: The A5 PRO delivers a maximum output of 300W×2 with TPA3255, perfect for driving high-power systems, and 500mW@32Ω for detailed, dynamic headphone listening. With premium components like Rubycon/WIMA capacitors, it ensures optimal performance with bookshelf speakers and other devices.
- Brand: Douk Audio
- Model: A5 PRO
- Audio input: Bluetooth / Stereo RCA
- Audio output: Banana speaker jacks / AUX / 3.5mm headphone jack
- Headphone output power: 500mW/32Ω
- Matched headphone impedance: 16-600Ω
- Max. output power: 300W*2 (4Ω)
- Matched speaker impedance: 4-8Ω
- Frequency response: 20Hz-20KHz (±1dB)
- THD+N: 0.003%
- SNR: ≥113dB
- Bass/treble range: ±6dB
- Bluetooth version: 5.1
- RCA input sensitivity: 2V
- AUX rated output level: 3.7V
- Working voltage: DC 24-48V
- Dimensions (W*D*H): 130*112*33mm / 5.12*4.41*1.30in
- Package dimensions (W*D*H): 265*240*65mm / 10.43*9.45*2.56in
- Net weight: 525g / 1.16lb
- Package weight: 1.2kg / 2.65lb
Power Output Table of Douk Audio A5 PRO
Power Supply | Speaker Impedance | Rated Output Power |
|---|---|---|
4Ω | 78W+78W | |
32V/5A | 6Ω | 71W+71W |
8Ω | 65W+65W | |
4Ω | 107W+107W | |
36V/6A | 6Ω | 100W+100W |
8Ω | 94W+94W | |
4Ω | 120W+120W | |
48V/5A | 6Ω | 110W+110W |
8Ω | 102W+102W | |
4Ω | 250W+250W | |
48V/10A | 6Ω | 210W+210W |
8Ω | 185W+185W |
- A5 Amplifier ×1
- DC 32V/5A Power Adapter(Optional) ×1
- DC 48V/5A Power Adapter(Optional) ×1
- User Manual ×1
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Douk Audio A5 Stereo Budget Amplifier Review
Excellent product! Great size and powerful output. Thank you!
Ok I bought this amplifier to get better sound from my television. I've used Aiyima audio t4, Fosi A07,and bt20a. All sounded good. Like a lot of people i just can't leave things alone. But to this amplifier. I have been running this since July with the 48v 5amp power block. It is January 15 and I am switching power to a lower 32v 5amp. I hate to say this but it does sound better on the lower voltage. Not so strained I think. You get more power with other power block, not necessarily better sound. The main reason for the change was that this amplifier was running way to hot. Lower voltage running is much cooler. Still sounds good to. I think it will last longer to. I recommend not buying the higher voltage unless you really need the power. Found out I didn't.
I wouldn't hesitate to buy another one ,it does sound really good.
Amplifier is good as compared to other brand available amplifier but main issue it heat up fast with in use of one hour and front volume and bass treble knobs are also heat up rapidly which makes disturb to use for long hours
Small and surprisingly powerful amp. Seems hefty and very well made for it's size. The removable panel on top looks good and the ability to switch out Op amps easily is great.
The only thing I don't like is the volume pot action. It clicks rather than rotates smoothly and the volume difference between clicks at low level is significant. It can be a little hard to dial in volume at low levels.
That's a minor criticism though. At this price (much lower than on Amazon), it's and excellent little amp. Very pleased with it.
Good product, but you power supply low noise, then all okay