AIYIMA 1Pcs 4 Inch Subwoofer Speaker 100W 4 8 Ohm Super Woofer Sound Speaker BASS Waterproof Loudspeaker DIY 2.1 Home Theater
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£24.59£38.42
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Specifications
- Brand Name
- Aiyima
- Power Source
- None, None
- Inbox adaptor
- No
- Cabinet Material
- Wood
- Audio Crossover
- Three-Way
- Waterproof
- Yes
- Voltage range
- USB (5-20V DC)
- Communication
- Audio Line
- Speaker Type
- Bookshelf
- Channels
- 1
- Support APP
- No
- Battery
- No
- Category
- Speakers
- Use
- Home
- Origin
- Mainland China
- Sound Mode
- Other
- Voice Control
- No
- Number of Loudspeaker Enclosure
- 3
- Input Power(W)
- 100-199 W
- High-concerned chemical
- None
- Input/Output
- Other
- Intelligent Personal Assistant
- None
- Remote Control
- No
- Support Apt-x
- No
- Output Voltage
- 40 W
- Support Memory Card
- No
- Feature
- None
- Playback Function
- Other
- Display Screen
- No, No
- Certification
- None
- PMPO
- 100 W
- Impedance
- 4-8 Ohm
- Material
- Metal
- Built-in Microphone
- No
- Frequency Range
- Other
Product Description
Product description:
4-inch woofer speaker
Impedance: 4/8 Ohm
Rated power: 40W
Maximum power: 100W
Shape: round / square
Frequency: 67Hz-3.5Khz
Sensitivity: 87±3db
Q: 0.46
Box volume: 5.6L
Net weight: 780g
Package included:
1Pcs
Pros & Cons
Pros
- Delivers up to 100W of peak power for robust, deep bass sound
- Waterproof construction makes it suitable for outdoor patios, decks, or humid indoor spaces
- Compatible with both 4 Ohm and 8 Ohm audio systems for versatile setup use
- Compact 4-inch size fits easily into small DIY speaker enclosures or existing home theater setups
Cons
- No built-in amplifier or power source, so it requires an external audio amplifier to operate
- Does not include a remote control, APP connectivity, or voice control features
- Wooden cabinet may be prone to scuffs or damage if moved frequently
- No official safety certification is listed for the speaker
Common Questions
What is the diameter of this subwoofer speaker?
This is a 4-inch subwoofer speaker, per the product listing title.
What materials are used to build this speaker?
The speaker cabinet is made of wood, while internal components use metal materials as noted in the product specs.
Is this speaker compatible with 4 or 8 Ohm audio setups?
Yes, this subwoofer supports both 4 Ohm and 8 Ohm impedance levels.
Can this speaker be used for DIY home theater projects?
Yes, it is designed as a DIY component for 2.1 home theater systems, as well as general bookshelf speaker use.
Where is this speaker shipped from, and what should buyers expect for delivery times?
This product is sourced from Mainland China, so international customers will face longer shipping durations compared to domestic buyers.
Product information last updated on November 18, 2025