Description
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.
Financing Options
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Get the gear you need now and pay over time. Perfect for working DJs, artists, and sound pros who need pro-grade speakers, lighting, and cases to stay competitive.
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Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.