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I need a battery powered small amp/spkr

M

MoZi-

Feb 26, 2026
2
2
#1
So I am playing my EUB with a spiritual chant/dance/prayer group and need something small, mobile and disconnected from power.
Playing with all acoustic musicians and *yes I know* I can get an actual upright but it's not the right fit for me. In the long run I will build
something w/ a car audio pwr amp, 12v preamp/comp pedals and a good 12V boat/car/sim battery.
BUT is there any of the battery powered/bluetooth carry around amp/spkrs that are recommended? There are some with 8s.
Most of the battery powered MI amps get really crap reviews so I'm kinda leaning toward a powered full range w/ 8s and turn down the treble
or even disconnect the tweeter.
Don't need big volume or anything, I'm sure others have done this. Any recomendations?
 
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#6
My Everse 8 is great but if I were buying today I would probably try the QSC CB10 that just came out.

I also have a JBL Eon One Compact - it sounds good but is maybe half the volume of the Everse 8 for about the same price.
 
#7
There are lots of options. Good options typically cost more. First thing to do is set a budget.
Options:
1. Build a rig from car stereo and battery powered pedals.
2. Battery powered MI amp, PA cab, bluetooth speaker, party box, etc. Looks for options that have MI inputs or mic inputs. To use a mic input you will need a line matching transformer. I like the Shure A95U, but it's one of the more expensive options.
3. Use a pure sine power bank with an existing amp.
4. Use generator power.

1. You could build a janky contraption using a car stereo amp and some sort of battery powered preamp. Could be fun if you are into that sort of thing and technically minded enough to do the research necessary to ensure you select the right size battery, right type of amp, and a preamp that produces a level that will work with the amp.

2. The Roland battery powered amps are pricey considering the level of performance. The Cube Street EX is the smallest I would consider. I think it would be loud enough to play with acoustic guitars, but not much more. Also it sounds more like a PA cab than a bass amp. I am fine with this, but you may not be. The power rating is 2x25W, but I think that is overstated. I think it performs more like a 15W amp. AFAIK power is reduced if you use AA batteries. A rechargeable power pack [ BTY-NIMH/A ] is available that claims to allow the Cube Street EX to produce full power. The power pack is expensive.

The Electro Voice Everse series looks tempting. This is pretty much a high-end bluetooth speaker. Specs suggest the Everse 8 should have considerably more headroom and play lower than a Cube Street EX. I believe the Everse 8 would cost less than the Cube Street EX with the optional power pack.

Traynor makes a battery powered bass amp that I think would be plenty loud. The model is Bass Master BM12Mobile. It has a single 12 and makes 80W through the internal speaker on battery. 160W with an extension cab, but AFAIK they don't actually make a matching cab though. I checked a few weeks ago and could not find any reviews on TB. Weight is 32lbs.

3. I bought a Jackery 300 pure sine power bank to experiment. This unit delivers 110V AC: 300W continuous and 500W surge. A common problem with using this sort of power bank seems to be a bit of hum. I tried the Jackery with my GK 700RB/112 combo. Aside from a little hum, performance was pretty much the same as if it was plugged in. I also tried the Jackery with a couple of tube amps, just to see what the limits were. The Ashdown LB30 worked fine; the Aguilar DB359 did not.

Lots of potential used for an AC powerbank. I used the Jackery to watch a couple of hours of TV the last time the power went out.

AFAIK the type of powerbank used withe the PJ Double delivers DC voltage and does not result in hum. However, I think a Double 4 will be pretty limited in regards to headroom.

4. I think a generator is way beyond your expectations. If for some reason you are interested, probably best to consider a quality inverter generator.
 
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#9
ValerieK said:
My Everse 8 is great but if I were buying today I would probably try the QSC CB10 that just came out.

I also have a JBL Eon One Compact - it sounds good but is maybe half the volume of the Everse 8 for about the same price.
Click to expand...

I love the Everse. We use them for wedding ceremonies and cocktail hours. Never have to worry about running extension cables, and it can even power a mic.
 
#10
If you already have a 10” cab that you like, here’s a modular approach:

Quilter Imterbass 45 plus a power tool battery (you might also already have this) and a 3D printed adaptor available on eBay.

I use this setup for acoustic jams and it works really well.

Light, small and that battery runs for a loooong time.
 
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#11
Traynor has a rechargeable 112 that might be just what you're looking for? 80w when running on battery

BM12MOBILE Battery Powered Bass Amp | Traynor

Traynor BassMaster 12 Mobile: a full-sized, battery-powered bass amplifier with a 12 speaker. Offering over six hours of performance on a single charge, and weighing just 32 pounds.
traynoramps.com traynoramps.com

edit: I see Wasnex beat me to it
 
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#12
powerstations.duracell.com

Duracell Power Stations

Duracell Power Stations delivering backup power, backup generator, portable generator, battery backup, backup battery, emergency kit, generator, CPAP
powerstations.duracell.com powerstations.duracell.com


I tried various battery powered amps including the Roland Micro cube bass, and recently, the Joyo ba30.

I think if I were playing something seriously that needed battery portability, I’d get a decent battery pack and use a small combo amp I like.
 
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#13
just get a jackery. (or ecoflow, bluetti, etc). i have the 1000. i could run a whole band on that thing for an hour or two depending on demands. it could theoretically run an SVT for two hours. it can definitely run any small combo amp for the better part of an entire day. theres always a ton of them used on fb in my area.
 
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#15
The Spark 2 looks like a very cool set up, but the battery is another $80, bringing the total to about $425.

At that price a power station and the amp you already have might make sense.

Depends if you want another amp or someway to take power anywhere, or have backup power at home.
 
#16
singlemalt said:
The Spark 2 looks like a very cool set up, but the battery is another $80, bringing the total to about $425.
Click to expand...
I’ve owned a Spark 2 for about a year, for me it’s pretty useless for bass but totally fabulous for guitar, especially acoustic. Mine ran me $250 brand new, shipping included. I’ll probably buy a battery eventually, whenever the right deal presents. I’m sure I could hack an external speaker mod that would improve bass performance, but it seems like battery powering a Quilter Interbass and using it with the little 110 you built would be simpler and better sounding.
 
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#17
Just get a camping battery not a car battery and power your regular small amp with it. These things can run a Dometic camping refrigerator for 3 days or more and should not be an issue with a bass amp. It's what I used for my Acoustic Image Clarus combo or my Fishman Lourbox Mini and I have power for other keyboards and even another small guitar amp.

You can also sue it for camping and when there are short power outages. to power your wifi router and laptop You can try some from Amazon. For me it was a better way to spend money than buying a new amp
 
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#18
logdrum said:
Just get a camping battery not a car battery and power your regular small amp with it. These things can run a Dometic camping refrigerator for 3 days or more and should not be an issue with a bass amp. It's what I used for my Acoustic Image Clarus combo or my Fishman Lourbox Mini and I have power for other keyboards and even another small guitar amp.

You can also sue it for camping and when there are short power outages. to power your wifi router and laptop You can try some from Amazon. For me it was a better way to spend money than buying a new amp
Click to expand...
I do exactly this (coincidentally with same Acoustic Image amp even) while camping, at fiddler's conventions. Mine is a purpose-made battery pack that is recharged by a small collapsible bank of solar panels.

It would cost more upfront than a sub-par portable bass amp, but as posted, you'll use it for a hundred other things.
 
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#19
Though I haven't personally tried it, the JBL PartyBox Essenetial 2 might fit the bill. The reason I mention this is I do have a JBLPartyBox 120 and it makes a fantasic portable bass amp but it might be too big for your application. Both have a guitar level input and the Essential weighs in at 13.5 lbs. They also have a swappable battery setup and both have a front end gain control for the instrument input.
 
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#20
Alto Uber LT. Absolutely nothing special about it, other than it runs on batteries and is extremely affordable on the used market. If your instrument needs a lot of processing to sound acceptable, you'll need that processing as this thing has nothing other than a couple of combonation inputs on it. That said, I've used it with various basses from passive to active to a uke bass and an EUB and it will amplify enough to keep up with a few acoustic guitars. I paid $75-ish for mine and have taken it camping at concerts and other places where low risk loss amplification was needed.

www.altoprofessional.com

Uber LT

www.altoprofessional.com
 

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