Timpano15" Sub D4 1600 Watts Max Power Dual 4 Ohm, 15 Inch Car Subwoofer 16 mm Xmax, TPT-T1500-15 D4, 2.6 in Voice Coil, Double Stacked Magnet Sub Woofer for Car Audio Systems (Single)

Timpano 15 Inch Subwoofer D4 1600 Watts Max Power Dual 4 Ohm, 15 Subwoofer Speaker 16 mm Xmax, TPT-T1500-15 D4, 2.6 in Voice Coil, Double Stacked Magnet Sub Woofer for Car Audio Systems (Single)

Timpano TPT-1000.4 Compact 4 Channel Car Audio Amplifier – 4 x 260 Watts at 2 Ohms – High Power Stereo 12 Volts Full Range Class D Amp Bridgeable

Timpano TPT-3000 1 Ohm Compact Amplifier 3000 Watts, 1 Channel, Full Range Amp Class D for The Installation of Car Speakers, Loudspeakers, Drivers and Tweeters on Car Audio Systems