Feature:1. TECHNICAL PARAMETERS: XHM541 high power digital amplifier use TPA3116D2 core technology power amplifier board, output channel is 2, output power for 60W plus 60W, supply voltage DC12~24V, power efficiency of more than 90%2. SUPERIOR PERFORMANCE: Digital subwoofer amplifier with stereo interface, so that the sound quality is more perfect, bring a wonderful experience3. DURABLE MATERIAL: Digital power amp use aluminum alloy material, possess strong oxidation resistance, increase service life, suitable for home theater use4. PROFESSIONAL DESIGN: The subwoofer amplifier is small in size and beautiful in appearance, which is perfect for sound system use, useful and practical5. ADVANCED CIRCUIT DESIGN: HiFi audio amplifier board built in speaker protection circuit, most suitable for home bookshelf, computer, desktop, speakerSpecification:Item Type: Subwoofer AmplifierMaterial: Aluminum alloyProduct Size: Approx. 125 x 75 x 30mm / 4.92 x 2.95 x 1.18inChip Model: TPA3116D2Output Channel: 2 ChannelsPower Supply Voltage: DC12~24VStandby Current: 40mAOutput Power: 60W plus 60WPower Efficiency: More than 90%.Package List:1 x Subwoofer Amplifier