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A monoblock amplifier powers one or more subwoofers. Match RMS to your sub and impedance.
This guide is built from Amazon product listings, not our own testing, so confirm specs on each product page.
Last updated: October 30, 2026.
Quick Picks
| Product | Type | Best for |
|---|---|---|
| Taramps BASS 400 | Monoblock amplifier | 400W RMS at 2 ohms |
| Stinger MT-1000.1V2 | Monoblock Class D amp | 1000W Class D |
| CT Sounds CT-1000.1D | Monoblock Class D amp | 1000W RMS |
| CT Sounds CT-1500.1D | Monoblock Class D amp | 1500W RMS |
| CT Sounds CT-2000.1D | Monoblock Class D amp | 2000W RMS |
Our Picks
1. Taramps BASS 400
A monoblock subwoofer amplifier rated 400W RMS at 2 ohms, per the listing. It was listed at about $60 on Amazon.com when we checked on October 30, 2026.
Good for: Budget subwoofers. Strengths: Low price. Weaknesses: Modest power. Skip it if you want big bass.
2. Stinger MT-1000.1V2
A 1000W Class D monoblock car amplifier from Stinger, per the listing. It was listed at about $129 on Amazon.com when we checked on October 30, 2026.
Good for: Mid-power subwoofers. Strengths: Known car-audio brand. Weaknesses: Price. Skip it if you want the cheapest.
3. CT Sounds CT-1000.1D
A compact Class D monoblock amplifier rated 1000W RMS, per the listing. It was listed at about $160 on Amazon.com when we checked on October 30, 2026.
Good for: Mid-sized subwoofers. Strengths: 1000W RMS rating. Weaknesses: Price. Skip it if you want the cheapest.
4. CT Sounds CT-1500.1D
A compact Class D monoblock amplifier rated 1500W RMS, per the listing. It was listed at about $200 on Amazon.com when we checked on October 30, 2026.
Good for: Powering a big subwoofer. Strengths: 1500W RMS rating. Weaknesses: Price. Skip it if you have a small sub.
5. CT Sounds CT-2000.1D
A compact Class D monoblock amplifier rated 2000W RMS, per the listing. It was listed at about $250 on Amazon.com when we checked on October 30, 2026.
Good for: Big subwoofer builds. Strengths: Very high rating. Weaknesses: Highest price here. Skip it if you have a small sub.
How to Choose
RMS match
Match the amp to your subwoofer RMS and ohms.
Class D
Class D is compact and efficient.
Wiring
Use proper power wire.
Frequently Asked Questions
What is a monoblock?
A single-channel amplifier for subwoofers.
Do I need an amp for a sub?
Yes for passive subwoofers.
Peak vs RMS?
RMS reflects real output.
Bottom Line
For budget, the Taramps BASS 400. For mid-power, the Stinger MT-1000.1V2. For big subs, the CT Sounds 1500 or 2000.
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