Evans BD20GB4 - EQ4 CLEAR 20
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What you need to know
What you need to know
- Durable transparent film for a powerful sound and excellent projection
- Floating internal muffler : natural harmonic control without muffling the punch
- Bass, attack, and impact : a "full-chest" response in Rock
- Versatile stage/studio use : precise and singing tone in Jazz or Fusion
Manufacturer Information
Evans
https://www.daddario.com
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Historical Context and Positioning in the Range
The EQ4 is designed as a modern performance-oriented head, created to offer an immediate balance between attack, bass, and controlled resonance. Its approach with an integrated muffler places it among effective solutions for quickly achieving a usable sound, both live and in recording.
Who This Drum/Instrument Is For
This head is aimed at drummers from beginners to advanced who want an easy-to-tune bass drum. Ideal for Rock (22 and 24) for a massive kick, and very suitable for Jazz/Fusion (18 and 20) for a more precise and articulated bass.
Features and Innovations
Thanks to its floating internal muffler, the EQ4 helps you balance attack and harmonics, with controlled resonance while maintaining depth in the low end.
Sound
The single-ply construction promotes a lively and defined response, while the muffler enhances the punch feel and stabilizes sustain. Result: full attack, plenty of bass, and a clear low end, particularly effective when miked.
Technical specifications
| Category | Bass drum | Diameter | 20 " |
| Head finish | Clear | Color | Transparent |
| Shaping | Single Ply | ||
| Single-ply | 10 mil | Sound | full attack, plenty of bass |
| Internal muffler | 10 mil | Resonance | controlled |
Customer reviews
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- 5 stars, 1 review
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very good quality skin. on the other hand, having paid more than 12 euros in shipping costs to receive my package 2 weeks after ordering. A bit disappointed with woodbrass.
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Questions frequently asked
Is the Evans BD20GB4 suitable for a 20-inch bass drum?
Its 20-inch diameter is designed for a bass drum of the same size. The finish is clear and the construction features a single 10 mil ply.
What sound does a 20-inch clear EQ4 head produce?
The advertised sound combines a full attack with plenty of low end. Resonance remains controlled thanks to the floating internal muffler.
Does the EQ4's internal muffler reduce overtones?
The 10 mil internal muffler allows balancing attack and overtones. It stabilizes sustain while maintaining depth in the low frequencies. This design promotes a clear sound at microphone pickup.
Is this bass drum head suitable for jazz and fusion?
This model is suitable for 18 and 20 inch bass drums in Jazz/Fusion, offering precise and articulated low end.
What thickness is the Evans EQ4 20 clear drumhead?
The single ply head is 10 mil thick. Its internal muffler is also specified at 10 mil.



