
Douk Audio A5 PRO TPA3255 Bluetooth Amplifier HiFi Class D Stereo Audio Amp
Features 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. Warm tips 1. The A5 PRO with 2PCS pluggable NE5532 op-amps, can be upgraded by dual op-amps like 2134/2604/5532/2068/muse02 etc. 2. 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. Features 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 A5 PRO Power Supply Speaker Impedance Rated Output Power 32V/5A 4Ω 78W+78W 6Ω 71W+71W 8Ω 65W+65W 36V/6A 4Ω 107W+107W 6Ω 100W+100W 8Ω 94W+94W 48V/5A 4Ω 120W+120W 6Ω 110W+110W 8Ω 102W+102W 48V/10A 4Ω 250W+250W 6Ω 210W+210W 8Ω 185W+185W Packing list 1* A5 PRO Amplifier 1* DC 32V/5A Power Adapter 1* Bluetooth Antenna 1* User Manual