Blackstar Unity 500 2x10 Bass Combo Amplifier, (Used)

The Blackstar Unity 500 Bass Combo Amplifier is a powerful, stage-ready bass combo designed for players who need serious output, flexible tone shaping and practical modern connectivity in one self-contained amp. With 500 watts of power, 2 x 10" Eminence Opus speakers, three selectable voices, three drive types, compression, chorus, sub-octave and USB audio output, it is built for rehearsals, live performance, recording and full-range bass tone.

This pre-owned example is listed in Good condition, meaning it shows noticeable cosmetic wear but remains fully functional.

A strong choice for bassists who want a high-powered combo with Blackstar’s flexible Unity Pro Bass feature set, the Unity 500 offers enough control for modern styles while still being straightforward enough for everyday gigging use.

At A Glance

Key Detail	Information
Brand	Blackstar
Model	Unity 500
Type	Bass Combo Amplifier
Power	500W
Speaker Configuration	2 x 10" Eminence Opus Speakers
Voices	Classic, Modern, Flat
EQ	3-Band EQ with Semi-Parametric Mid
Built-In Effects	Chorus, Sub-Octave, Compressor
Drive Types	Overdrive, Distortion, Fuzz
Connectivity	USB Audio Out, Line In, Effects Loop, DI / Line Out
Condition	Pre-Owned, Good Condition
Main Appeal	Powerful 500W bass combo with flexible tone shaping and modern connectivity
Best For	Rehearsals, gigging, recording, rock, metal, funk, soul, pop, indie and worship bass
Skill Level	Intermediate to professional

Condition Overview

Good Condition

This Blackstar Unity 500 Bass Combo Amplifier is in Good condition. This means it shows noticeable cosmetic wear but remains fully functional.

Good condition is ideal for players who want a dependable pre-owned amplifier at strong used value and do not mind visible signs of previous use.

What’s Included?

✔ Blackstar Unity 500 Bass Combo Amplifier

✘ No Additional Accessories Included

Condition Notes

This amplifier shows noticeable signs of previous use, which may include visible marks, scratches, scuffs or general cosmetic wear consistent with Good condition.

No faults, repairs or modifications have been supplied for this listing. The amplifier has been checked for functionality before sale.

Fair Deal Inspection & Assessment

This pre-owned Blackstar Unity 500 Bass Combo Amplifier has been inspected and assessed by the Fair Deal Music team before being offered for sale.

Our checks include:

• Power tested
• 2 x 10" speaker configuration checked
• Bass input tested
• Pad switch checked
• Gain and master volume checked
• Voice controls checked
• EQ controls checked
• Semi-parametric mid control checked
• Drive section checked
• Chorus effect checked
• Sub-octave effect checked
• Compressor checked
• Effects loop checked
• Line input checked
• USB output visually inspected
• DI / line output checked
• Cabinet checked
• Handle checked
• General operation assessed
• Noise floor checked at practical playing levels

Why Choose The Blackstar Unity 500?

Powerful 500W Output

The Unity 500 delivers serious bass amp power in a combo format, making it suitable for rehearsals, performance and players who need a strong, room-filling low-end response.

2 x 10" Eminence Opus Speakers

The dual 10" speaker setup gives the amp a fast, focused response with strong projection and punch. It is a practical choice for players who want definition, clarity and low-end control from a compact combo.

Three Selectable Voices

The Unity 500 offers Classic, Modern and Flat voicings, giving players quick access to different tonal foundations. This makes it easy to move between vintage warmth, modern clarity and a more neutral platform.

Drive, Distortion And Fuzz Options

The amp includes three footswitchable drive types: overdrive, distortion and fuzz. These give bassists useful built-in grit, from subtle edge to more aggressive driven sounds.

Built-In Chorus, Sub-Octave And Compressor

The onboard chorus and sub-octave add creative texture and depth, while the compressor helps control dynamics and even out playing response. This makes the amp useful for players who want more than a simple clean bass combo.

Response Control For Different Amp Feel

Blackstar’s Response control offers Linear, 6L6 and 6550 settings, helping shape the feel, compression and dynamic response of the amp.

Recording And Stage Connectivity

With USB audio out, DI / line outputs, headphone output, line input and an effects loop, the Unity 500 is practical for stage, rehearsal room, home recording and direct signal setups.

Comparison Against Popular Alternatives

Blackstar Unity 500 vs Blackstar Unity 250

The Unity 250 is a powerful 250W combo with a single 15" speaker. The Unity 500 offers double the power and a 2 x 10" speaker setup, giving it more output and a punchier, faster speaker response.

Blackstar Unity 500 vs Smaller Bass Practice Amp

A smaller practice amp is easier to move and suitable for low-volume home use, but it will not offer the same power, connectivity, effects or live-ready performance as the Unity 500.

Blackstar Unity 500 vs Separate Bass Head And Cabinet

A separate head and cabinet rig can offer more modular flexibility, but the Unity 500 is simpler and more convenient as a complete all-in-one combo.

Blackstar Unity 500 vs Traditional Analogue Bass Combo

A traditional analogue bass combo may appeal to players who want a very simple signal path. The Unity 500 is better suited to bassists who want modern tone shaping, built-in effects, USB output and flexible performance features.

Who Is It For?

Gigging Bassists

The 500W output, 2 x 10" speaker configuration and DI / line output options make this a strong choice for live players.

Rehearsing Bass Players

The Unity 500 has the volume and punch needed for band rehearsal environments, especially where a smaller practice amp would struggle.

Recording Musicians

USB audio out and DI / line output features make this amp useful for recording and direct signal applications.

Modern Bassists

With drive, fuzz, chorus, sub-octave and compression built in, this amp suits players who want modern bass tones without relying entirely on pedals.

Players Wanting A Single All-In-One Bass Amp

This is a great option for players who want one amp that can handle practice, rehearsals, stage use and recording.

Suitable Genres And Uses

The Blackstar Unity 500 Bass Combo Amplifier is well suited to:

• Rock
• Metal
• Funk
• Soul
• Pop
• Indie
• Alternative
• Punk
• Worship music
• Blues
• Modern bass tones
• Clean bass sounds
• Driven bass sounds
• Rehearsals
• Live performance
• Recording
• Pedalboard-based setups
• Direct output use
• Bassists wanting a high-powered combo

Educational Section: Why Choose A 500W Bass Combo?

Bass frequencies need far more power than guitar frequencies to sound full, controlled and clear in a live or rehearsal setting. A 500W bass combo gives players the headroom needed for stronger low-end response, cleaner projection and more confident stage performance.

A 2 x 10" speaker layout is especially useful for players who want punch and definition. It can feel quicker and more focused than larger single-speaker combos, making it suitable for articulate playing, modern bass sounds and styles where note clarity matters.

The Blackstar Unity 500 adds modern flexibility with built-in effects, voice options, semi-parametric EQ, USB audio and direct output features, making it a strong all-in-one solution for bassists who need power and versatility.

Looking for advice on choosing the right bass amp, Blackstar combo or pre-owned amplifier? Our experienced team of musicians can help by phone, online or in-store.

Story & Context: Blackstar Unity Bass Amplifiers

Blackstar’s Unity Pro Bass range was designed to give bassists powerful, straightforward and flexible amplifiers for modern playing environments. The series focuses on practical control, usable voicings and performance-ready features rather than overcomplicated menus.

The Unity 500 sits at the top of the combo range, offering the highest output, a dual 10" speaker setup and the full Unity control set. It is designed for players who need serious bass performance in a manageable combo format.

This Good condition example offers excellent used value for bassists looking for a high-powered Blackstar bass combo with plenty of tone-shaping options.

Technical Specifications

Specification	Details
Product Type	Bass Combo Amplifier
Brand	Blackstar
Model	Unity 500
Power Output	500W
Speaker Configuration	2 x 10" Eminence Opus Speakers
Voices	Classic, Modern, Flat
EQ	3-Band EQ with Semi-Parametric Mid
Drive Types	Overdrive, Distortion, Fuzz
Response Control	Linear, 6L6, 6550
Built-In Effects	Chorus and Sub-Octave with Adjustable Level
Compressor	Yes
Pad Switch	Active / Passive Instruments
USB Audio Out	Yes
Effects Loop	Yes
Line In	Yes
DI / Cabinet Emulated Line Out	Yes
Cabinet Link	Yes
Weight	22kg
Dimensions	485mm W x 612mm H x 361mm D
Condition	Pre-Owned, Good Condition

Power Requirements

This amplifier requires mains power for operation. Use the correct power cable and connect only to a suitable mains supply.

Fair Deal Music Verdict

★★★★☆ 4/5

The Blackstar Unity 500 is a serious high-powered bass combo for players who need volume, punch, flexibility and modern connectivity. Its 500W output, dual 10" Eminence speaker layout, three voicings, drive options, built-in effects and USB output make it a practical all-in-one bass amp for stage, rehearsal and recording use.

This Good condition example is a strong choice for bassists who want professional-level features and big combo performance at excellent pre-owned value.

Why Buy From Fair Deal Music?

Choosing Fair Deal Music means buying from a passionate team of musicians who genuinely understand the products we sell. Whether you're purchasing your first instrument, upgrading your current setup or searching for something special, we're here to help you make the right choice with friendly advice and expert support.

When you shop with Fair Deal Music, you can buy with confidence thanks to:

Expert advice from knowledgeable musicians
Carefully checked new, used, pre-owned and ex-display equipment
Competitive prices on leading music brands
Secure UK-wide delivery
Flexible finance options available (subject to status)
Friendly support before and after your purchase
A trusted independent UK music retailer with decades of experience

Trade In. Trade Up. Save More.

Thinking about upgrading? Your next piece of gear could cost less than you think.

We're always happy to consider part exchanges and trade-ins on a wide range of musical instruments and equipment. Whether you're looking to upgrade your guitar, keyboard, amplifier, drum kit or studio gear, your existing equipment could help reduce the cost of your next purchase.

Simply get in touch with our team for a no-obligation valuation, and we'll be happy to discuss the options available.

It's an easy way to unlock the value of the gear you no longer use while making your next instrument even more affordable.

FAQ

Is the Blackstar Unity 500 suitable for gigging?

Yes. With 500W output, a 2 x 10" speaker configuration and DI / line output options, it is well suited to live use, depending on venue size and stage setup.

What condition is this amp in?

This amplifier is listed in Good condition, meaning it shows noticeable cosmetic wear but remains fully functional.

Does the Unity 500 have built-in effects?

Yes. It includes chorus, sub-octave and compression, along with drive options for overdrive, distortion and fuzz.

What speakers are fitted?

The Unity 500 uses 2 x 10" Eminence Opus speakers.

Does it have USB recording?

Yes. The Unity 500 includes USB audio output for direct recording.

Does it have an effects loop?

Yes. The Unity 500 includes an effects loop.

What styles does this amp suit?

It suits rock, metal, funk, soul, pop, indie, alternative, punk, worship music, blues and general live bass playing.

Is it suitable for active and passive basses?

Yes. It includes a pad switch for active and passive instruments.

Is it suitable for home practice?

It can be used at home, but it is a powerful 500W bass combo and is especially suited to rehearsal, recording and live environments.

Can I try this amp in-store?

Fair Deal Music has a large Birmingham showroom, and our team can offer advice on Blackstar bass amps, pre-owned bass combos and complete bass setups.