The RH-1821 Active Subwoofer is one of the most powerful 2x18” subwoofers in the field of live sound. Featuring two high-power hyper-vented 18” drivers with 5.0” inside-outside voice coils, this cabinet delivers a serious amount of low frequencies. Powered by a  4400 Watt digital amplifier, the RH-1821 Active Subwoofer can perform in the most demanding situations.

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Specifications

Driver :  2 pcs 18" with 5.0" voice coils drivers

Frequency Range :  25 - 150 Hz

SPL Max. :  130 dB

Power Rating :  3000 W R.M.S. (4400 W Peak)

Dimensions :  118 (W) x 54.5 (H) x 91 (D) cm

Mounting :  Stacked Mounting

Color :  Black

Amplifier Detail

Dual channel 4400 Watt Class D

65 A Output peak current

29.4 dB Amplifier gain

THD + N (1 kHz @ 1 Watt) 0.005 typically

100 uV(A) Noise floor

85 VAC ~ 265 VAC 50-60 Hz Power requirement

18 Watt idle power consumption

XLR Input & output

SpeakON Power input & link

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GLL Download :  coming soon.