JBL ASB4128, Medium Power Subwoofer 2 x 18″ 2042H Drivers

The JBL ASB4128 is a medium power subwoofer system comprised of two 460 mm (18 in) low frequency drivers in a front-loaded, vented configuration. The deep, rectangular cabinet allows for extended low frequency bandwidth with minimum frontal profile.

Product Specifications:

Frequency Range (-10dB): 30 Hz – 1 kHz

Frequency Response (±3 dB): 40 Hz – 1 kHz

Input Modes: Drivers Parallel / Drivers Discrete

Transducer Power Rating (AES): 1000 W (4000 W peak), 2 hrs.

System Power Rating: 600 W (2400 W peak), 100 hrs.

System Sensitivity: 30 Hz – 100 Hz: 103 dB100 Hz – 500 Hz: 103 dB

Nominal Impedance: 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode

LF Driver: 2 x JBL 2042H 460 mm (18 in) drivers with 75 mm (3 in) voice coil

Enclosure: Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply Finnish birch plywood

Suspension Attachment: 12 points (3 top, 3 bottoms, 3 each side, 2 rear), M10 threaded hardware

Environmental: Mil-Std 810; IP-x3 per IEC529.

Weight: 143 lbs.