jbl power subwoofer

The listings show built‑in amplifier ratings of 125 W RMS, 150 W RMS (with a 450 W max/peak noted), and 200 W RMS.

Many models include adjustable crossovers and variable bass boost. Examples shown include crossover ranges such as 50–150 Hz or 50–120 Hz and bass boost up to around +9 to +12 dB, depending on the model.

Installation options shown include spare‑tire hub mounting, under‑seat or under‑package/shelf mounting, and low‑profile under‑front‑seat placement.

Powered units list both line‑level (RCA) and speaker/high‑level inputs. Some models explicitly offer speaker‑level inputs and include a high‑level wiring harness for flexible installation.

Specified current draws include maximum values such as 30 A and 20 A, with quiescent (idle) draws around 1.2 A and 0.9 A on different models.