Phil Jones Bass BG400 Suitcase Bass Combo Amplifier (300 Watts, 4x5")

This compact and efficient bass combo amplifier pushes well-articulated low end all the way to the back rows with an expandable 300 watts of power.

Take the awesome execution of the original PJB Suitcase, compact it down while adding power, and you have the Phil Jones Bass BG400 Suitcase combo amplifier. This powerhouse utilizes a two-channel preamp with three-band EQ control, mute, passive, and active switches for each channel; a limiter switch with level control; and four 5-inch PJB "Piranha" Type-B speakers pumping zx. This combo amp's compact size makes it an awesome companion for the road, and it's only 40 pounds.

Compact Size with Power to Spare

If you're a regularly gigging musician, then you know how cumbersome heavy gear can be. Your Phil Jones Bass BG400 combo amp packs some serious punch, with 300 watts of power. Plug into this bad boy, and your bass will sing and shake the stage. This combo amp is the same size as the Phil Jones Compact 4 enclosure, so you won't be losing much space in the van when you find yourself gigging on the road.

Two-Channel Preamp with Three-Band EQ Control

On the BG400's top panel are your two-channel preamp controls. Each channel has its own 1/4" instrument input, three-band EQ control, input level controls, and mute, passive, and active switches. There is also an 1/8" aux input and level control for a CD or MP3 player -- a great feature for rehearsing on your own. You can also utilize the headphone output for some quiet late-night practices that won't wake the neighbors.

Adding the Compact 4 or 8 Cabinets

Your Phil Jones Bass BG400 Suitcase bass combo amplifier read more harnesses some serious power. Your signal is fueled through a class D amplifier and projected via four 5" PJB "Piranha" Type-B speakers. Each note will maintain a powerful punch with beefy lows and crispy highs. You also have the option to incorporate the Compact 4 or Compact 8 cabinets into the mix, which employ 500 watts and 575 watts of power respectively.

Smaller and Better

PJB is certain that the future of amplifiers is "smaller and better." This combo amp really takes the cake when it comes to clear and powerful amplification, mobility, and awesomely potent and articulate output. You'll never have to worry about lugging a giant rig around to get a great sound out of your bass, and your back will thank you!


- Compact bass amplifier with 300 watts of power
- Expand to 500 watts with a Compact 4 extension cabinet, or 575 watts with a Compact 8 extension cabinet
- Efficient class D amplifier
- Four 5" PJB "Piranha" Type-B speakers
- One 1/4" instrument input for each channel
- Clip light indicator for each channel
- One 1/8" aux input and aux level control
- One 1/8" headphone output
- One master volume control
- Two channel preamp
- Mute, passive, active switches for each channel
- Input level, bass, middle, and treble controls for each channel
- Limiter switch and level control
- Outputs: headphone, D.I., FX send/return, tuner out, preamp out, and extension speaker out
- Ground lift switch
- Travel-friendly compact size
- Weighs in at only 40 pounds
WARNING: Cancer and Reproductive Harm -
read less

- Power: 300W RMS/4 Ohm w/extension speaker
- Speakers: 4x5" PJB "Piranha" Type-B
- Controls: 2x (Level Selector, Volume, 3-Band EQ), Limiter w/On-Off Switch
- Jacks: 2x Input (1/4" Phone), Headphone Out, D.I. Out (GND Lift SW), FX Send/Return, Tuner Out, Preamp Out, Ext. Speaker Out
- Dimensions (W x D x H): 14"x12"x13"
Dimensions and Weight in Packaging
Shipping Weight: 45 lbs
Shipping Dimensions: 18 x 17 x 17 in
Manufacturer Part Number (MPN): BG-400 Black
Shipping Weight: 45.5 lbs
Shipping Dimensions: 18 x 17 x 17 in
Manufacturer Part Number (MPN): BG-400 Red

For support or warranty questions, please contact the manufacturer:
Phone: (855) 227-7510 Ext. 103

Phil Jones BG400 Suitcase Bass Combo Amp

The Phil Jones Bass BG400 Suitcase Compact is based on the uncompromised performance of the original PJB "Suitcase" combo, but more powerful and smaller.

It has an incredible punch sound cutting through air as "a knife through butter" but with a solid and powerful low-end response normally associated with a much larger combo. It features a two channel pre-amp with 3 band EQ. This EQ has amazing control and transparency that allows you to unmistakably hear the true characters of your own playing and instrument, making it easy to find "your sound."

The future of amps is trending to "smaller and better," and with the Suitcase Compact, the future is here now!


- An ultra high-energy power supply feeding an efficient class D amplifier which utilizes almost 95% of the energy to drive the 4 internal PJB "Piranha" speakers
- 300W RMS with its own speakers
- 500W with a Compact 4 extension cabinet
- 575W with a Compact 8 extension cabinet

Reviewers gave this product an overall rating of 5 out of 5 stars. (5 ratings)
Submitted May 16, 2018 by Craig Yeley in Columbus, IN
"Great amp !"
Overall: 5 out of 5 stars
Verified Customer zZounds has verified that this reviewer made a purchase from us.
I made the decision to downsize the rig that I was hauling around. This combo amp is everything that I've been looking for. Awesome features, tone and an extremely small foot print on stage ! I coupled it with the PJB C4 cabinet and there will never be a need for me to use a "big" rig again !
17 of 17 people (100%) people found this review helpful. Did you?
Thanks for your opinion!


  • 18 x
  • 12 x
    $100.00 with zZounds
  • 8 x
    $150.00 with zZounds
On Backorder
Preorder Today
FREE -Day Shipping!
Get it  for
Get it by if you order within
Shipping to