- TDA7294 2.1 power amplifier board 80W x 2 +160W Subwoofer - A36<br>- Power Supply: 18V-0-18V to 28V-0-28V three-wire AC voltage、 250W or above<br>- Dimension: 218 x 98mm<br>- Power: 80W x 2 + 160W Subwoofer<br>- Subwoofer is made with BTL 2pcs TDA7294<br>- Potentiometer features: Low frequency adjustment、 subwoofer volume. Left and right channel volume、 treble、 bass.<br>- Comes with installation kit<br><br>                                                                                                                                Dimensions: 8.58 in x 4.33 in x 1.26 in (21.8 cm x 11.0 cm x 3.2 cm)<br />Weight: 11.75 oz (333 g)<br /><br />