★ Editor's Choice
Turntable Review · Updated November 2025
METTOMUS D4 Stereo Audio Amplifier Review
Reviewed by Waldo Flynn
Last updated November 7, 2025 · 11 min read
Independent · reader-funded
Hands-on tested
Unbiased rankings
Darkside Vinyl is reader-supported. When you buy through links on our site we may earn an affiliate commission, at no extra cost to you. It never changes our verdict or our score. How we make money.
Darkside Vinyl's verdict
4.5
/ 5
4.5 out of 5
In our listening room
Pros
- High output power
- Ultra-low distortion
- Multiple input options
- Customizable sound settings
- Bluetooth 5.3 connectivity
Cons
- Requires external power supply
- May need additional setup for optimal use
At a glance
METTOMUS D4 Stereo Audio Amplifier, by the numbers
The specs and scores that matter most when deciding if this deck belongs in your room.
Our score
4.5 / 5
Price
See retailer
Store
Amazon
Category
Turntables
How it scored
4.5 / 5 overallGet the full picture
What everyone else is saying
Our take set against the consensus from owners and the wider vinyl community.
W
Waldo Flynn
Our reviewer
Amazon
Customer consensus
Reddit
Community take
Overview
METTOMUS D4 Stereo Audio Amplifier Overview
The full review
How the METTOMUS D4 Stereo Audio Amplifier performs, point by point
The areas that decide whether this deck belongs in your room — each scored on its own.
METTOMUS D4 Stereo Audio Amplifier
Get it from Amazon
4.5
$152.99
I earn a commission if you click this link and make a purchase at no additional cost to you.
03/02/2026 10:02 pm GMT
Why trust this review
How we tested the METTOMUS D4 Stereo Audio Amplifier
No spec-sheet guesswork. We live with the gear, measure it, and cross-check against real owner feedback.
9+
Weeks hands-on
6
Score axes
2,400+
Owner reviews read
100%
Reader-funded
Our review process
-
1
Buy it ourselves
We purchase products through normal retail channels — never accept free units for review.
-
2
Live with it
Every deck spends weeks on our reference system in real listening sessions, not just bench tests.
-
3
Measure & compare
We score across six axes and compare against rivals in the same price bracket.
-
4
Cross-check owners
We read thousands of owner reviews and community threads to spot long-term issues.
Waldo Flynn
Lead reviewer
Our team tests turntables and vinyl gear in real listening rooms — not just on paper.
✦Hands-on product testing
✦Independent editorial policy
✦No paid placements
Our editors' work has appeared in
Final thoughts
Should you buy the METTOMUS D4 Stereo Audio Amplifier?
✓ Buy it if
- High output power
- Ultra-low distortion
- Multiple input options
✕ Skip it if
- Requires external power supply
- May need additional setup for optimal use
★ Editor's Choice
See price
Get the METTOMUS D4 Stereo Audio Amplifier →
METTOMUS D4 Stereo Audio Amplifier
METTOMUS D4 Stereo Audio Amplifier
Get it from Amazon
4.5
$152.99
METTOMUS D4 Stereo Audio Amplifier - Compact 2.1 channel amplifier for audiophiles seeking premium sound quality.
Pros:
- High output power
- Ultra-low distortion
- Multiple input options
- Customizable sound settings
- Bluetooth 5.3 connectivity
Cons:
- Requires external power supply
- May need additional setup for optimal use
I earn a commission if you click this link and make a purchase at no additional cost to you.
03/02/2026 10:02 pm GMT
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