Discontinued
JK Reference Subwoofer
| Reference Subwoofer | |
| Output power | 175W/4 Ω |
| Subsonic filter | 12Hz/-3dB, 24dB/octaaf |
| Crossover subwoofer | 30Hz - 120Hz, 18dB/octaaf |
| Bassboost frequency/level | 20-50Hz / 0-6dB |
| Input Impedance | 10 kOhm RCA |
| 1 kOhm High Level | |
| Dimensions (LxBxH) | 47 x 45 x 49 mm |
| Weight | 20kg |