LA-221
Dual 21" ultra-low frequency loudspeaker

LA-221 is a dual 21-inch loaded low-frequency speaker that achieves ideal bass reproduction while maintaining clear and impactful low-frequency effects. It can be combined with mid-to-high frequency speakers to form a full-range system with ideal sound effects.
Application scope: Sound reinforcement for large bars, clubs, large halls, and live performances.


frequency response 32Hz - 150Hz (±3 dB)  28Hz ~ 200Hz (-10dB )
sound pressure level 140.6 dB,146.6dB Peak
Unit specification 2×21" (135mm voice coil)
Rated impedance: LF1:4Ω;LF2:4Ω
Rated power:
LF1:1700W;LF2:1700W;
Program Power:
LF1:3400W;LF2:3400W;
Peak power:
LF1:6800W;LF2:6800W;
Box size (W x H x D) 1200mm×600mm×950mm
Net weight 134.5Kg
connector 2×8-pin NL4MP speaker sockets x2
connection method LF1:1+1- ;LF2:2+2-
Box material 24mm Grade A multi-layer birch plywood
surface treatment Black high-strength polyurea paint
Grid net 2mm black perforated mesh + splash-proof sound-permeable mesh


×