CS Series
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Passive Cardioid Subwoofers
The CS Series combines high-output performance with Fulcrum’s Passive Cardioid Technology™ to reduce rear LF energy, without requiring additional drivers, amplifiers, or DSP. TQ™ Processing optimizes phase response and voicing, allowing the CS Series to deliver focused clarity and control from a compact footprint, making it ideal for challenging acoustic environments.
Passive Cardioid Technology™
TQ™ Processing
Optional Weather Resistance
Products in this Series
CS118
18" Subcardioid Subwoofer
Operating Range
29 Hz to 137 Hz
LF Transducers
18.0 inch woofer, 4.0 inch voice coil; ceramic magnet
Power Handling at Nominal Impedance
1200 W @ 8 Ω
Equalized Maximum SPL (peak / continuous)
130 dB / 124 dB (half space)
Dimensions (H x W x D)
30.54 in x 24.55 in x 30.0 in (775 mm x 623 mm x 762 mm)
Weight
120.0 lbs (54.4 kg)
CS121
21" Subcardioid Subwoofer
Operating Range
29 Hz to 143 Hz
LF Transducers
21.0 inch woofer, 6.0 inch voice coil; ceramic magnet
Power Handling at Nominal Impedance
2000 W @ 8 Ω
Equalized Maximum SPL (peak / continuous)
138 dB / 132 dB (half space)
Dimensions (H x W x D)
30.54 in x 24.55 in x 30.0 in (775 mm x 623 mm x 762 mm)
Weight
132.0 lbs (60.0 kg)
CS212L
Dual 12" Subcardioid Subwoofer
Operating Range
36 Hz to 156 Hz
LF Transducers
2x 12.0 in woofers, 4.0 in voice coil; ceramic magnet
Power Handling at Nominal Impedance
1400 W @ 4 Ω
Equalized Maximum SPL (peak / continuous)
134 dB / 128 dB (half space)
Dimensions (H x W x D)
14.0 in x 28.0 in x 24.0 in (355 mm x 711 mm x 610 mm)
Weight
88.0 lbs (39.9 kg)
CS215L
Dual 15" Subcardioid Subwoofer
Operating Range
33 Hz to 141 Hz
LF Transducers
2x 15.0 in woofers, 4.0 in voice coil; ceramic magnet
Power Handling at Nominal Impedance
2000 W @ 4 Ω
Equalized Maximum SPL (peak / continuous)
137 dB / 131 dB (half space)
Dimensions (H x W x D)
17.78 in x 36.0 in x 26.0 in (452 mm x 914 mm x 660 mm)
Weight
128.0 lbs (58.1 kg)
CS218L
Dual 18" Subcardioid Subwoofer
Operating Range
32 Hz to 168 Hz
LF Transducers
2x 18.0 in woofers, 4.0 in voice coil; ceramic magnet
Power Handling at Nominal Impedance
2400 W @ 4 Ω
Equalized Maximum SPL (peak / continuous)
145 dB / 139 dB (half space)
Dimensions (H x W x D)
20.76 in x 45.0 in x 30.0 in (527 mm x 1143 mm x 762 mm)
Weight
171.0 lbs (77.6 kg)
CSP118
18" Subcardioid Subwoofer
Operating Range
29 Hz to 137 Hz
LF Transducers
18.0 inch woofer, 4.0 inch voice coil; ceramic magnet
Power Handling at Nominal Impedance
1200 W @ 8 Ω
Equalized Maximum SPL (peak / continuous)
130 dB / 124 dB (half space)
Dimensions (H x W x D)
30.93 in x 24.55 in x 30.0 in (785 mm x 623 mm x 762 mm)
Weight
120.0 lbs (54.4 kg)
CSP121
21" Subcardioid Subwoofer
Operating Range
29 Hz to 143 Hz
LF Transducers
21.0 inch woofer, 6.0 inch voice coil; Neo magnet
Power Handling at Nominal Impedance
2000 W @ 8 Ω
Equalized Maximum SPL (peak / continuous)
138 dB / 132 dB (half space)
Dimensions (H x W x D)
30.93 in x 24.55 in x 30.0 in (785 mm x 623 mm x 762 mm)
Weight
132.0 lbs (60.0 kg)