Q100 Hi-Fi Bluetooth Amplifier Wireless o Receiver with 24V 3A DC Adapter Features a. Low frequency can be as low as 30Hz, 2.1 channel with powerful subwoofer output and shocking bass, sounds smooth and full. HiFi sound with rich details and excellent quality brings tory feast. b.Dual DSP sound effects, adopting STA326 power amp chip with DSP and ATS2825C Bluetooth chip with 16 kinds of sound effects with DSP, much better sound quality and shocking tory effects make you feel like in the cinema. c. Max output power can reach 80Wand40Wx2, and default equipped with 24V or 3A power supply which can output max 72W, easily to drive most home bookshelf speakers. d. With wired AUX and wireless Bluetooth 4.2 input, can be compatible with various o devices like phone, tablet PC, TV, iPod, computer, CD player etc. to meet different home o devices. e. Attractive appearance and compact size, exquisite metal case looks more fashionable, intuitive LED display shows main volume numerically, the lowest price in the market still can bring extreme HiFi listening experience. Parameters: Max output power: 80Wand40Wx2 Bluetooth version: Bluetooth 5.0 and DSP Bluetooth distance: about 10-15M o input: Bluetooth or AUX o output: Banana speaker or subwoofer Amplifier chip: STA326(with DSP) Decoding chip: PCM1802 Bluetooth chip: ATS2825C(with DSP) Best matched L or R Speakers: 4-6.5 in (4-8 or 20-120W) Best matched passive subwoofer: 6.5-12 in (4-8 or 40-120W) Power input: DC 24V-32V or above 3A Dimensions:(L)110x(W)68x(H)23mm or 4.33x2.68x0.91in Net Weight: 0.2KG or 0.44lb Package Weight: 0.55KG or 2.1lb Notice: 1. Because of its large power output and compact design, it is normal that the chassis temperature will rise and feeling a little hot during use. 2. Default send 24V or 3A(72W) power supply enough for 1 pair 5 inch speaker and 1x6.5" subwoofer. But floor speakers over 1M need larger power supply. Its auto power-off during use means that speakers need higher power, please turn down the volume or change larger power supply. Package Includes: 1xQ100 Power Amplifier 1x24V or 3A Power Supply 1xRCA Cable 1xAUX Cable 1xManual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.