Douk Audio NS-13G MAX HiFi Mini 2-Channel Stereo Audio Amplifier Class D Power Amp with Phono 300W*2

Note: 1. The 3.5mm AUX output and the speaker jacks output are controlled by the main volume and bass/treble synchronously.   2. Default comes with 48V/5A power adapter, if you want higher power output please prepare another larger power adapter with high quality by yourself.   Features Strong compatibility: with MM phono/stereo RCA input, NS-13G MAX is compatible with most audio devices including turntables, laptops, computers, CD/DVD players, TV etc. Besides banana speaker outputs, a 3.5mm AUX output is added to connect another amplifier or active speaker/subwoofer to build 2.1 or multi-channel audio system. High-quality audio components: with TPA3255 amplifier chip adopted, max output power can reach 600W(300W*2), comes with 48V/5A power supply, easy to drive most home passive speakers and delivers exceptional sound quality with high efficiency and low distortion. The inclusion of the NE5532P op amp chip, along with RUBYCON and WIMA capacitors, ensures overall performance. Innovative heat dissipation design: side and bottom vents are strategically placed to deliver superior heat dissipation while simultaneously preventing dust accumulation. This refined design not only maintains excellent operating performance but also significantly extends the device's lifespan. Flexible audio customization: tone&bypass switch and pluggable op amp socket are adopted, very convenient to use and provide more playability. The tone/bypass switch enables to fine-tune your audio or directly obtain pure, unprocessed audio when detail and clarity are paramount. NE5532P op amp can be replaced by most dual op-amp like OPA2604, OPA2134, MUSE02 etc. Robust and stylish appearance : customized aluminum case with multiprocess fine treatment and CNC precision cutting; metal DC outlet, no electric sparks flying. With stylish closure and compact size, NS-13G MAX is perfectly suitable for desktop or a smaller space in home or office, easy to connect to your audio system, especially designed for the audiophiles who pursue HiFi sound.  Parameters Audio inputs: RCA/MM phono Audio outputs: Banana speaker jacks/3.5mm AUX Amp chip: TPA3255 Max output power: 300W*2 (4Ω) Output impedance: 4Ω-8Ω Bass&Treble adjustment range: ±6dB Input sensitivity: Phono: 5mV    RCA: 2V THD+N: 0.005%@1kHz SNR: ≥107dB AUX output level: 2.4V Frequency response: 20Hz-20KHz (±1dB) Working voltage: DC 24-48V Dimensions (W*D*H): 130*102*38mm/5.12*4.02*1.50in Net weight: 513g/1.13lb Package weight: 1.3kg/2.87lb Power Output Table of NS-13G MAX Power Supply Speaker Impedence Rated Output Power 32V/5A 4Ω 78W+78W 6Ω 71W+71W 8Ω 65W+65W 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* NS-13G MAX Amplifier 1* DC 48V/5A Power adapter