Product Feature Perfect bass design, exclusive ultra-thin design, can be installed under the seat in any vehicle，give you a full car passion, music party anytime and anywhere. Wire control operation: can follow one's inclinations adjust the bass effect; Strong power: the whole aluminum vibration membrane and dust cap can withstand strong power; Durable: weight, effectively reduce the shock box, aluminum alloy outer, beautiful and durable. High quality bass： Pure bass, bringing high power amplifiers, subwoofer freq , push out a crystal clear response to your favorite music, video and more. Product Parameters Casing aluminium alloy Dimension : 240*325*75MM 8" SUPPLY VOLTAGE :11~15V DC POWER OUTPUT :Ohm RMS 200W FREQUENCY RESPONSE : 25Hz~150Hz LPF: 40Hz~250Hz SUBSONIC: 25Hz BASS BOOST: 0dB~12dB PHASE: 0~180 INPUT IMPEDANCE: 15K OHMS S/N RATIO: 90dB THE HOM SIZE: 8"Installation Note ★The number of current power supply should be above 35 A, the effect is much better. ★The speaker of the membrane is limited, Volume adjustment should be slow, Do not exceed 10 minutes when the volume of the sound is transferred to the maximum, which is beneficial to extend the life of the subwoofer, or because the current impact, easy to burn out. ★If want to have a good bass effect, three points on equipment, seven points on debug, suggest that the volume of subwoofer turn to 2/3, the other control by CD player. Generally the volume of the CD is transferred to the 20, best effect. ★ The sound system with disc, wire rod, CD machine, installation manual, speakers and subwoofer, effect is good or not is decided by the common. So, if the effect is not satisfied after the installation, Please rule out reasons one by one.
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