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Blackstar Unity Bass U30 1 x 8-inch 30-watt Bass Combo Amp , $379.99 - Add to Cart Skip to Product Information

Blackstar Unity Bass U30 1 x 8-inch 30-watt Bass Combo Amp

30-watt, 1 x 8" Bass Combo with 3 Voicings, 3-band EQ, Compression, Chorus, and MP3/Line In
Blackstar Unity Bass U30 1 x 8-inch 30-watt Bass Combo Amp
Blackstar Unity Bass U30 1 x 8-inch 30-watt Bass Combo Amp

Special Order

Special-ordered from Blackstar. Please contact us for availablity and estimated delivery date. Special orders cannot be canceled or returned.

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Blackstar Unity Bass U30 1 x 8-inch 30-watt Bass Combo Amp
Special Order

Special-ordered from Blackstar. Please contact us for availablity and estimated delivery date. Special orders cannot be canceled or returned.

Built for Tonal Flexibility

This article was Written By

Our Product Research Team

Get to know them!

The Blackstar Unity Bass U30 bass combo amplifier was built for tonal flexibility. Choose between three distinct preamp voicings, and then sculpt the result with a 3-band EQ. Increase your bass's punch and depth, with compression and chorus effects. The U30 is loaded with enough connectivity for live, studio, and home use. And if you want to beef up your output onstage, you can add a Unity U250ACT powered cabinet for an extra 250 watts of power. Get the eminently versatile Unity Bass U30, and everything from valve grind to high-headroom clean will be within your grasp.

Everything from valve grind to high-headroom clean

Whatever sound is in your head, you can coax it from the Unity Bass U30. It all starts with three distinct preamp voicings: Classic, Modern, and Overdrive. Beyond that, a 3-band EQ with a semi-parametric Mid knob supplies you with plenty of sound-sculpting power. Need more punch and depth? No problem. The U30 features built-in compression and chorus effects.

Loaded with useful features for stage and studio

The Blackstar Unity Bass U30 is packed to the gills with useful features. Connectivity abounds, with an XLR + 1/4" line output with independent level control. A -10dB pad accommodates both active and passive instruments. And an MP3/line input is onboard to supercharge your practice sessions. The bassists here at Sweetwater are especially impressed by the U30's integrated link for Blackstar's Unity U250ACT powered cabinet, which allows you to add an extra 250 watts of power to your rig.

Blackstar Unity Bass U30 Combo Amp Features:

  • 30-watt, 1 x 8" bass combo with Eminence Opus speaker
  • 3 distinct preamp voicings — Classic, Modern, and Overdrive
  • 3-band EQ with semi-parametric Mid knob supplies you with plenty of sound-sculpting power
  • Compression and chorus effects for increasing your punch and depth
  • Integrated link for Unity U250ACT powered cabinet adds an extra 250 watts of power to your rig
  • XLR + 1/4" line output with independent level control
  • -10dB pad accommodates both active and passive instruments
  • MP3/line input for supercharging your practice sessions
  • Ground lift for eliminating unwanted noise
What Does "Special Order" Mean?

A special-order product is one that we don't normally keep in stock. We order it from the manufacturer as soon as you order from us. We have great relationships with all the manufacturers we carry, so we can get your special order to you as fast as or faster than anyone else. Remember that special orders are non-returnable and non-cancelable, so make sure the item is right for you. A Sweetwater Sales Engineer can help you decide — call (800) 222-4700 for assistance!

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage

Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.