100W*2 High and Bass Adjustment MiNi Stereo Dual Channel bluetooth Audio Power Amplifier Board Module

Feature Product Name 100W 2 BT audio amplifier module with ToneProduct Model ZK 1002MTBT Version 5 0 no shielding 15 meters SNR 90dBAudio Input AUX BTChannel 2 0 stereo Chip Solution Domestic power amplifier chipPower Supply DC 12 24 V 5A or above Do not connect to 24 V battery pack Adapter Speaker 30 200 W 4 8 ΩPower supply voltage 12V 8Ω 20W 20W 4Ω 35W 35W19V 8Ω 35W 35W 4Ω 60W 60W24V 8Ω 50W 50W 4Ω 100W 100WProtection mechanism Overheat Overcurrent short circuit protection Product size 99mm 60mm 21 mmPackage weight about 122gPS In the audio input is enough the supply voltage current is enough there will be enough output power The higher the supply voltage the greater the output power The smaller the impedance of the speaker the greater the output power Please ensure that the power of the adaptor is greater than the actual working power of the amplifier Package includes 1 x 100W 2 BT audio amplifier module with ToneQuestion and Answer 1 How to choose a power supply The power supply with the board is critical The higher the voltage the higher the current and the better the output power If you only have 12V 1A you can use a 3 4 inch speaker If you are 19V 5A or above there is no problem with 8 10 inches and the power supply must be highly valued If the voltage is too low the sound will be distorted after the sound is amplified If the current is too small the speaker will pull the voltage low work abnormally or the sound quality w