Orange OB1-300 - 300W 1x15" Bass Combo Amp

300W Solid-state 1x15" Bass Combo Amplifier with 3-band EQ, Blend and Gain Controls, Line-out, and Balanced DI Out
Orange OB1-300 - 300W 1x15
Orange OB1-300 - 300W 1x15
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Orange OB1-300 - 300W 1x15" Bass Combo Amp
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Bi-amped Bass Sounds with a Single Combo

In the Orange OB1-300 Combo 300-watt bass amplifier, Orange took the popular bi-amp system, using both bass and guitar amps for a wide range of tone and overdrive tones, and placed it into a single 1 x 15" bass amp. The OB1-300 Combo sports a 3-band active EQ to fine-tune your tone. And the pairing of a gain and blend control lets you add overdrive to the upper harmonics and mix it with your unaffected signal to get plenty of grind without losing your low end. The OB1-300 Combo bass amplifier can create a monstrous wall of bass tone.

Orange OB1-300 Combo Bass Amplifier at a Glance:
  • Bi-amped flexibility in a single-channel amp
  • All the convenience of a combo
  • Ready for stage and studio
Bi-amped flexibility in a single-channel amp

For decades, bass players have been using bass amps and guitar amps together to create huge sounds. The bass amp keeps the lows fat and clean, while the guitar amp adds grit and extra harmonic content to the top of the signal. The Orange OB1-300 Combo gives you all the sound and flexibility of this rig in a single unit. Its all-analog circuitry starts by sending your bass signal down two separate paths. One goes to a powerful 3-band active EQ for detailed tone sculpting, and the other goes through the amp's gain circuit to be blended back together further down the line.

All the convenience of a combo

The 300-watt power section of Orange's OB1-300 Combo helps it give the refrigerator-sized bass amp stacks a run for their money onstage. But you'll be very glad you went with this amp when it comes time to load in or out because of its more compact design. A 15" neodymium speaker also helps keep the overall weight of the unit down. And if you want a larger stage sound, you just need to use the 8-ohm speaker output on the back to add another cabinet for the full stack experience.

Ready for stage and studio

The Orange OB1-300 Combo bass amplifier is ready for both stage and studio. It boasts a 1/4" line-out and a balanced DI out - a feature Sweetwater's bass players find really handy - for running direct to the house, recorders, and more. And a front-panel active/passive control lets you switch between your favorite basses seamlessly without overpowering the amp's front end. The flexibility of the Orange OB1-300 Combo ensures that you can use it at any gig, rehearsal, or studio date.

Orange OB1-300 Combo Bass Amplifier Features at a Glance:
  • A single-channel bass combo that acts like a bi-amped rig
  • Clean side of the amp has a 3-band active EQ
  • Gain control affects the upper harmonics of your sound
  • All-analog signal path with Class AB power amp
  • Footswitchable blend and gain controls mix your clean and dirty sound
  • Active/passive switch is great for using various basses
  • Balanced DI out for feeding your signal to a mixer or PA
  • 15" neodymium speaker keeps the combo's weight manageable
The Orange OB1-300 Combo creates bass tones much larger than its size suggests.

Additional Media

Bass Guitar Amp Buying Guide

Tech Specs

Type Solid State
Number of Channels 1
Total Power 300W
Speakers 1 x 15" 8 ohm Eminence Neodymium speaker
EQ 3-band active EQ
Inputs 1 x 1/4"
Outputs 2 x speakON (1 internal), 1 x 1/4" (line out), 1 x XLR (DI out)
Footswitch I/O 1 x 1/4" (footswitch sold separately)
Height 26.77"
Width 21.65"
Depth 13.77"
Weight 65.37 lbs.
Manufacturer Part Number OB1-300-COMBO

Customer Reviews

Based on 3 reviews
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The Last Combo..

I have been thinking about a combo to end all combos. Digging around I stumbled on the Orange OB1-300 combo. I have tried a lot of amps in my life. I didn't want to settle for something that didn't make me smile. I didn't want to have to turn off a tweeter. I wanted a 15, with grunt and that good, old tone. Not a lot of that around anymore.. And then I started studying up on this amp. I gathered up the rather large chunk of cash I'd have to pay.. I had some doubts, as many will. But I can safely say this amp has the most satisfying rock tone I've ever heard by just plugging a Fender P straight in. No pedals necessary. It really is a gem..


I never write reviews but I could NOT pass up on this one....This amp is really something else...I have owned/played almost every top notch bass amp on the planet...GK, SWR, Mesa, Mark Bass, Peavey, Aguilar, ect ect, nothing even comes close to comparing to this thing. At 300W it’s for sure loud enough for any show, unless you are playing MetLife stadium. The XLR out is perfect, stage volume will never be an issue with this thing. The distortion sound on this is absolutely insane!!! Super easy to use, super quick to get the perfect sound, unlike some amps that have a million knobs, you could feel like you are controlling a missile launch just to get a solid sound…this thing comes ready to go and sounds total beast mode! I play an Ernie ball music man through this and I literally have never heard a better sounding bass, overall. These orange amps really go above and beyond with their heavy sounds, I also have a 30W Orange tube guitar amp, and I feel exactly the same about it, which is what drove me to get this bass amp as well. Overall this is a top notch bass amp, I wouldn’t ever think of using anything else after owning this. If you are playing in a heavy rock band, this is by far what you will want. For non-rockers, softer non heavy sounds are also great on this thing, its crisp, punchy and clear. The whole point of this amp is to have the built in distortion channel that you can blend in, 0 need for multiple pedals, this amp has every sound at your fingertips!
Music background: Rock drummer/bassist/guitar player

Orange OB1-300

This is the meanest combo for bass ever!The Orange OB1-300 Combo is such a versatile amp and its tones are out of control.You can get real dirty and heavy tones as well as rich and super clean creamy tones.The amp can dial in so many different tones its like no other amp i have used before.I used to play with tons of tube amps but this solid state amp sounds perfect.Great for band practice,recording or even playing shows.Super loud rich tone.I would like if Orange did a solid state guitar combo version as serious as this beast!
Music background: Post Rock/Hardcore
See also: Bass Combo Amps, Orange, Orange Bass Guitar Combo Amps