AudioFocus S21 Subwoofer

Specifications;

Type: Vented T-ligned – Passive/Active

Nominal Impedance: Passive: 8Ω

Power handling Passive: 1500W RMS / 3000W Peak
(RMS / Peak)       Active: 3500W RMS / 11550W Peak*

Frequency range @-3dBspl Passive: 40 Hz – 500Hz
Active: 30 Hz – 100 Hz (extended preset)

Sensitivity spl 2πsr: 102 dB

SPL@ Peak power Passive: 135,7 dB
Active: 142 dB / 145 dB

Components:  21″ LF B&C Custom made, 4,5″ Voice coil

Line Connectors Active: Balanced 1 x IN, 1 x OUT Neutrik© XLR

Front connection for Cardio Active: powerCON and XLR IN OUT
Passive: speakON 4 or speakON 8 IN OUT

HP Connectors Passive: 2x Neutrik© speakON linked

Construction: Birch marine Plywood 15 & 24 mm

Finish: High resistant Polyurea coating

Dimensions (h x w x d) 590 x 750 x 655 mm
23,22’’ x 29,52’’ x 25,78’’

Weight Passive: 58 kg / 128 lb
Active: 60 kg / 132 lb

Mounting accessoiries M20 screw & 35 mm compatible flange

*(215V peak/4ohms) / 18225W short term: 270V peak/4ohms