Douk Audio A5 Amplifier w/ 48v 5A power supply

- lightly used - 48v 5A power supply included for 120w per channel output at 4ohm - PFFB technology - high-performance PCB - subwoofer support with high pass filter - no box 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 (if paired with 48v 10A PSU) 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. SPECIFICATIONS: 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): 95*92*50 / 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(with 48V5A power supply): 1200g / 2.65lb