• SF-221
  • SF-221-3
  • SF-221-2

-Twin 21″ high power loudspeakers
-6″ voice coils for high power handling
-Cross-fire enclosure configuration
-Reinforced enclosure design
-Thunderous low frequency reproduction

The SF-221 is a twin 21″ subwoofer system designed to provide high levels of low frequency energy. The loudspeakers, equipped with 6″ voice coils, highly effective heat dissipation schemes, and an extremely robust mechanical design are ideal for dance club applications where long hours of demanding use is the norm. The reinforced enclosure design and cross-fire configuration are key in providing stunning, high-intensity bass.

RMS Power Handling 2 x 2000 W
Peak Power Handling 2 x 8000 W
Frequency Range (-10 dB) 25 Hz-100 Hz
Nominal Impedance 2 x 4 ohms
On-axis Sensitivity 1 W / 1 m 104 dB SPL
Rated Peak SPL at 1 m 145 dB
Enclosure Material Birch Plywood
Color/Finish Black/ISO-flex
Connectors 2 x NL4 Speakon
Dimensions (H x W x D) 60 x 120 x 110 cm
23.6 x 47.2 x 43.3 in
Weight 130 kg
286 lb
Photo SF-221

High Resolution, 1MB