- Built-in high powered amplifier(12V/AC)
- One 10"/12" high Power 4 Ohm Sub-Woofers
- Heavy Duty Aviation Carpet
- High quality MDF construction
- Carbon Injection Subwoofer
- Subwoofer Bass Injection Tube
- Acoustically Ported Air Tube
Model no. TB-1010PA TB-1012PA Features 10" woofer 12" woofer Magnet Structure: 40 Oz 50 Oz Power Handling(Amp.): 100 Watts 120 Watts Voice Coil: 2" BASV 2" BASV Impedance: 4 Ohms 4 Ohms Free Space Resonance(Fs): 25 25 Hz Efficiency(1W/1M): 91 dB 93 dB Frequency Response: 25Hz-1.2KHz 25Hz - 1.2 KHz