CDT AUDIO MiniMax400 Price: $249.99   MiniMax 400 Active Subwoofer Technical specs and contents Woofer Size: Dual 5.3 x 8.4 inches woofers (214.5mm x 135mm) Amplifier Output (Max): 400 Watt Amplifier Output (RMS): 200 Watt Enclosure Type: Sealed Enclosure Material: Aluminum Voltage: 14.4V（10V~16V） Impedance: 2.2Ohm+2.2Ohm Frequency Response Variable Crossover Frequencies: 40Hz-150Hz Hi & Low Level Input Level Sensitivity(Distortion Level 1%): RCA input 110mV Speaker input 0.5V Phase: 0/180° External Size: 370mm x 270mm x 75mm (L x W x H) Item Weight (Accessories are not included):6.13KGS

Price: $279.99   Rigid sealed cast aluminum enclosure Plug and Play connection for easy installation. Aluminum speaker cone Easy installation and removal Built-in peak power 380Watts amplification Completely hidden installation and out of sight Remote control provided for volume control, low-pass control and phase switch. Automatic switch-on (The Sub-15H's Speaker-Level input and RCA Input will sense voltage automatically on the speaker wires and the Sub-15H will automatically switch on when a music signal is received. If there is no more music signal, the Sub-15H automatically switches off.) Available with two height options, SUB-15H 5 5/8in (144.5 mm)H and SUB-15SL 4 5/8in (118.5 mm)H   Supply Voltage: 14.4V D.C Peak Power: 380 Watts Enclosure: Sealed cast aluminum Subwoofer Drivers: Dual 5.3" X 8.4" Impedance: 2.2 Ohm X 2.2Ohm (dual speakers) Frequency Response:40Hz-150Hz Variable Crossover Frequencies: 40Hz-100Hz Sensitivity: 92dB Input Level: Speaker & RCA level inputs Fuse: 10A Phase: 0/180° Net Weight: 7.3Kg Dimensions: Dia: 14 1/8in (360 mm) H: 5 5/8in (144.5 mm)