Blackstar Unity 250 Active Bass Speaker Cabinet

Product ID: 205710

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  • 250-watt 1 x 15-inch speaker cabinet for bass guitar
  • Custom-designed Eminence Opus speaker translates tone beautifully
  • Independent volume control affords greater signal control
  • Extensive connectivity for gigging, recording, and practising
  • Combined XLR and 1/4-inch input for use with external preamp
  • Passive 1/4-inch jack input for use as speaker extension cabinet
  • XLR through allows to chain multiple Unity active cabinets
  • Solid cabinet design with easy to carry handle and non-slip feet
  • Legendary Blackstar build quality and sound in a portable package
  • Perfect accompaniment to your Blackstar Unity Series combo
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
Overseas Please call for details Please call

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The Blackstar Unity 250 Active Bass Speaker Cabinet is the perfect partner to your Unity Series combo, whether you're jamming/practising with the band, or taking to the stage. As we've come to expect from the team at Blackstar, the Unity 250 Active Bass Speaker Cabinet is solidly built, produces a fantastic output, and is delivered at an affordable price.


The Blackstar Unity 250 Active Bass Speaker Cabinet boasts a selection of inputs and outputs to suit your needs. Along the rear panel you'll find a combination XLR / 1/4-inch jack connection, which allows you to connect an external preamp. The independent volume control allows you to attenuate the output as you wish. Next to the combi input there is an XLR thru connector that allows multiple Unity active cabs to be daisy chained to increase output potential. The passive 1/4-jack speaker input enables the Unity 250 Active Bass Cab to be used as a standard speaker extension cab. Whether you want to keep things nice and simple, or build a monster rig, the choice is yours.

Blackstar build quality

The Unity 250 Active Bass Speaker Cabinet lives up to Blackstar's high standards of quality. The road-ready enclosure is built like a tank, with a resilient exterior with reinforced corner braces. The carry handle allows you to transport the cab with ease, whilst the front panel design with unique Blackstar logo adds an elegant touch. Rubber feet prevent movement when in position, so that you can crank it up and rock out to your heart's content.

ModelUnity 250 Active Bass Speaker Cabinet
Output Power250 Watts RMS
SpeakerCustom-Designed Eminence Opus
Speaker Configuration1 x 15-inches
Connectivity Active XLR + 1/4-inch Input
Passive 1/4-inch Speaker Extension
XLR Through

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