Detail 01
Two proprietary 4-inch speakers
The compact speaker pair is housed in a bass-reflex enclosure designed for bass response.

Independent shopping perspective
Built around a pair of proprietary 4-inch drivers, the BG-80 Double Four Plus puts a 90W bass combo in a compact, battery-capable format. The bass-reflex cabinet and speaker design are voiced for extended lows, clear response, and present highs, while the three-band EQ gives you direct control of low, mid, and high content. Bluetooth 5.1 and the stereo input make backing-track practice straightforward. A line output also lets the amp feed a recording setup or a second amplifier.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The compact speaker pair is housed in a bass-reflex enclosure designed for bass response.
Detail 02
Separate low, mid, and high controls let you reshape the amplifier’s tonal balance.
Detail 03
Provides a connection for recording or for driving another amplifier.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. Use Bluetooth 5.1 or connect a drum machine, phone, or music player to the stereo input.
Yes. Its line output can be used for recording or to drive another amplifier.
With eight AA batteries, it can operate for up to 12 hours.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.