Description:
Dual 9V-13.5V transformer are recommended, single DC or a battery is not applicable.
Size: 78.91*76mm
Left and right channel speakers recommend:
Full frequency speakers or tweeter + woofer system
About 3-6.5inch 4-8 ohm 15-50W
Subwoofer speaker recommend:
4-6.5 inch subwoofer 4-8Ohm 20-50W.
Must be subwoofer speaker, big magnet and power
Package included:
1 x TDA2030A 2.1 Super Bass 2.1 Subwoofer Amplifier Board DIY kit
