HK Audio LINEAR-SUB-4000, 2400 Watt Passive Subwoofer - 2 x 18 Inch shirt Maximum SPL Output: 138 dB

Maximum SPL Output: 138 dB peak

there are only 3 basic steps: Step 1

Dimensions: (1

Steel Construction with Black Powder Coated Finish

The Behringer Wing

HK Audio LINEAR-SUB-4000, 2400 Watt Passive Subwoofer - 2 x 18 Inch shirt Maximum SPL Output: 138 dBThe HK Audio LINEAR SUB 4000 U, 2400W 18 Inch Passive Dual Vented Subwoofer Black is a powerful 18 inch dual vented bandpass subwoofer that is designed to complement the LINEAR 5 LTS long throw loudspeaker or any other LINEAR 5 mid high loudspeaker. It delivers an impressive low frequency response from 39 to 100 Hz with a maximum SPL of 137 dB. It can also be used as a sub low extension to the existing LINEAR SUB 2000 A subwoofers, delivering powerful