Product overview
Attractive "All-in-one-box" Bass Upgrade Kit – SBG-30KIT This product is a bundle consisting of the digital V-Power mono amplifier MRV-M250 , the 12" (30cm) bass reflex subwoofer SBG-30BR and an included high quality wiring kit. Remote Bass Level Control included.
Key features
- High Quality Wiring Kit
- Remote Bass Level Control
- 12” (30cm) Type-G Bass Reflex
- 800W Peak Power Handling (2 Ohms)
- Included Protection Bars
- V-POWER DIGITAL MONO
- 550 Watts Max. Power
- Adjustable Low Pass Filter, 50-400Hz @24dB/oct.
- Variable Bass EQ (fc=50Hz), 0 to +12dB
- RCA & Speaker Inputs
- 5m RCA Cable with Remote Line
- 6m Battery Cable, incl. Fuse Holder and Fuse
- 1m Ground Cable
- 2m Speaker Cable
- 12dB of linear Adjustment Range
- 5m Connection Cable included
Technical specifications
| Components | |
|---|---|
| SBG-30BR | 12” (30cm) Type-G Bass Reflex Subwoofer (2Ohm) |
| MRV-M250 | Digital V-POWER Mono Amplifier |
| Boxed Subwoofer | |
| Dimensions | 383mm(W) x 390mm(H) x 304mm / 411mm(D) |
| Amplifier | |
| Dimensions | 190mm(W) x 55mm(H) x 200mm(D) |
What you are ordering
The exact Alpine model shown above, SKU SBG-30KIT. Confirm vehicle compatibility for installation kits, interfaces and vehicle-specific systems before checkout.
Product information verified against the official Alpine product page.

