Product Description:

i4021power built-in 2-way active subwoofer, amplifier power (W): 1100W+550W, sufficient dynamic reserve, 1100W drives its own 21-inch unit, 550W power output can drive other passive speakers, built-in 4 factory-cured DSP control programs and 4 changeable programs, easy to call, providing great flexibility for use in different occasions.

Product parameters:

Rated power (W): 650W (unit) / 550W + 1100W (amplifier module output)

Impedance (Ω): 8

Sensitivity (dB): 104

Maximum sound pressure level (dB): 133

Frequency response (Hz): 34-120

Box material: 18mm plywood

Box size (W×D×H): 811×970×641

Unit structure (mm): LF: 100ND

Packaging volume (m3): 0.59

Net weight (kg): 86

Gross weight (kg): 91

Suspension: Yes

Amplifier power (W): 1100 + 550