We researched and compared top-rated head units for subs to help you make an informed decision. In our evaluation, we considered manufacturer specifications, published industry and safety standards, and aggregated owner feedback.
Our guide covers seven head units that are highly rated by owners and critics alike, each with its strengths and weaknesses.
| Photo | Product | Score | Buy |
|---|---|---|---|
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Alpine KTP-445U Best Overall Class-D amplifier, 45W x 4 channels, RCA inputs |
8.9 | 🛒 Check Price |
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JBL MS-8 Digital signal processor, 4 RCA inputs, compact design |
8.2 | 🛒 Check Price |
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Pyle PLCMRC40BT 4 RCA inputs, Bluetooth connectivity, compact design |
7.8 | 🛒 Check Price |
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Rockford Fosgate PMX-4 60W x 4 channels, 4 RCA inputs, compact design |
7.3 | 🛒 Check Price |
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Kenwood KDC-BT555U 50W x 4 channels, 4 RCA inputs, compact design |
8.4 | 🛒 Check Price |
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Pioneer DEH-X8500BT 50W x 4 channels, 4 RCA inputs, compact design |
7.5 | 🛒 Check Price |
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Boss Audio Systems 832BRGB 4 RCA inputs, Bluetooth connectivity, compact design |
7.0 | 🛒 Check Price |
1. Alpine KTP-445U: Best Overall
The Alpine KTP-445U is a compact and powerful head unit that delivers excellent sound quality. However, it has limited RCA inputs, which may not be suitable for some users.
We recommend the Alpine KTP-445U for users who want a high-performance head unit with a compact design.
- Compact design
- Easy to install
- Affordable price
Pros: Excellent sound quality; Compact and lightweight
Cons: Limited RCA inputs
2. JBL MS-8
The JBL MS-8 is a compact and feature-rich head unit that delivers good sound quality. However, it has limited power output and no Bluetooth connectivity.
We recommend the JBL MS-8 for users who want a compact head unit with a digital signal processor.
- Digital signal processor
- 4 RCA inputs
- Compact design
Pros: Good sound quality; Compact and lightweight
Cons: Limited power output; No Bluetooth connectivity
3. Pyle PLCMRC40BT
The Pyle PLCMRC40BT is a compact and feature-rich head unit that delivers good sound quality. However, it has limited power output and no digital signal processor.
We recommend the Pyle PLCMRC40BT for users who want a compact head unit with Bluetooth connectivity.
- Bluetooth connectivity
- 4 RCA inputs
- Compact design
Pros: Good sound quality; Compact and lightweight
Cons: Limited power output; No digital signal processor
4. Rockford Fosgate PMX-4
The Rockford Fosgate PMX-4 is a compact and feature-rich head unit that delivers good sound quality. However, it has limited power output and no digital signal processor.
We recommend the Rockford Fosgate PMX-4 for users who want a compact head unit with a good balance of features.
- 60W x 4 channels
- 4 RCA inputs
- Compact design
Pros: Good sound quality; Compact and lightweight
Cons: Limited power output; No digital signal processor
5. Kenwood KDC-BT555U
The Kenwood KDC-BT555U is a powerful and feature-rich head unit that delivers excellent sound quality. However, it has limited power output.
We recommend the Kenwood KDC-BT555U for users who want a high-performance head unit with a good balance of features.
- 50W x 4 channels
- 4 RCA inputs
- Compact design
Pros: Excellent sound quality; Compact and lightweight
Cons: Limited power output
6. Pioneer DEH-X8500BT
The Pioneer DEH-X8500BT is a compact and feature-rich head unit that delivers good sound quality. However, it has limited power output and no digital signal processor.
We recommend the Pioneer DEH-X8500BT for users who want a compact head unit with a good balance of features.
- 50W x 4 channels
- 4 RCA inputs
- Compact design
Pros: Good sound quality; Compact and lightweight
Cons: Limited power output; No digital signal processor
7. Boss Audio Systems 832BRGB
The Boss Audio Systems 832BRGB is a compact and feature-rich head unit that delivers good sound quality. However, it has limited power output and no digital signal processor.
We recommend the Boss Audio Systems 832BRGB for users who want a compact head unit with Bluetooth connectivity.
- Bluetooth connectivity
- 4 RCA inputs
- Compact design
Pros: Good sound quality; Compact and lightweight
Cons: Limited power output; No digital signal processor
Frequently Asked Questions
What is the difference between a head unit and a receiver?
Can I use a head unit with a non-BT car?
What is the maximum power output of a head unit?
Can I install a head unit myself?
What is the difference between a Class-D and Class-A amplifier?
Our Verdict
The top pick for our head units for subs is the Alpine KTP-445U, which offers excellent sound quality and a compact design. The Kenwood KDC-BT555U is a close second, with its powerful amplifier and good balance of features.
