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Stereo AMP, Digital  Board, 5V 20W Maximum Power For Mp3 Mp4

<ul><li>This power board is powered by 5.0 5V 3A. After secondary development by peripheral hardware, the maximum power can be configured to reach 20W: Bass 10W + sub-box 10W 5W x 2</li><li>Therefore, this power board has strict requirements on the power supply and the speaker, especially the woofer</li><li>Satellite left and right channel sub-box speaker: select 4 Ohm / 5W full-range speaker. Please use 4 Ohm and 3W for USB power supply</li></ul>

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Specification: Features: 1. This power board is powered by 5.0 5V 3A. After secondary development by peripheral hardware, the maximum power can be configured to reach 20W: Bass 10W + sub-box 10W 5W x 2. 2. Therefore, this power board has strict requirements on the power supply and the speaker, especially the woofer. 3. Satellite left and right channel sub-box speaker: select 4 Ohm / 5W full-range speaker. Please use 4 Ohm and 3W for USB power supply 4. Woofer: Choose 3 - 4 Ohm 10W-15W Woofer. Never use 6 Ohm or 8 Ohm woofer. Please select 4 Ohm 5W for USB power supply 5. Audio source: optional MP3, MP4, computer, PC, mobile phone, etc. Specification: : 5.0 Power supply: DC voltage 5V 4.8-5V, current should be 2.5A-3A or more Maximum power: 20W Package weight: approx. 29g Package list: 1 x Module 3 x Connection Cable

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Stereo AMP, Digital Board, 5V 20W Maximum Power For Mp3 Mp4

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