JBL Stage3 637F 6.5" 3-Way Coaxial Speakers 501-1000 music-focused sub that works in

music-focused sub that works in sealed or ported boxes and remains approachable for budget-conscious installations

Voice coil: 2" voice coil with a vented KSV former for robust power handling and cooling

balanced highs

and solid bass with efficient power use

JBL Stage3 637F 6.5" 3-Way Coaxial Speakers 501-1000 music-focused sub that works inThe JBL Stage3 637F is a 6. 5" 3 way coaxial car speaker engineered for enthusiasts who demand JBLs pro sound heritage, high efficiency, and a broad frequency range from a single, compact assembly. Power Handling: 45W RMS continuous, 135W peak. Real world: supports sustained playback without clipping and can handle brief high power transients when driven by a suitable amplifier. Sensitivity: 92 dB @ 2. 83V 1m. Real world: higher efficiency means more