DOUBLE FOUR PLUS (BG-80)
Professional Miniature Practice Bass Amp

With increased power and newly added features, the Double Four Plus BG-80 is a worthy successor to PJB’s legendary BG-75 Double Four model. The BG-80 is a 90Watt single channel bass combo with two four-inch speakers and a 3 band EQ that is perfectly tailored for bass guitar. Other features include anauxiliary input for iPad/iPod, smart phone or drum machine, stereo headphone–out jack and a line out for recording.

Digital Amplifier with 90Watts (2x45W) 1% THD
• Switchable high gain input OR low gain stage with mute function
• Independent level control and mute function to both Aux and Bluetooth input
• One stereo input for Drum machines or iPod/Smartphone players
• 3-Band EQ
• Line Output for recording or driving another amplifier
• Bluetooth 5.1 with Qualcomm® aptXTM HD codec
• Use under any AC voltage worldwide. (90~240V)
• DC input (USB Type-C port) connection supports Portable charger of USB PD (Power Delivery) Protocol.

Available and in stock in Black, Red and White

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • BG-75 Double Four 70-Watt 2x4" Bass Combo
Finish
  • Black
Categories
Year
  • 2025
Made In
  • China
Number of Inputs
  • 1 Input
Power Tube Type
  • None
Speaker Configuration
  • 2x4"
Electronics
  • Solid State
Color Family
  • Black
Number of Channels
  • 1 Channel
Output Power (Watts)
  • 70

Product safety information may be available here.

2nd Bass Guitar

Qualicum Beach, Canada
Joined Reverb:2016

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