About the PowerBass OE-400

Replacement speakers for your 2-ohm factory system
Replacement speakers for your 2-ohm factory system
Some vehicles, like those with a Bose® premium sound system, use low-impedance speakers to get a little more punch out of the factory radio. If you try to replace these speakers with standard 4-ohm aftermarket speakers, you'll notice a significant loss of volume — never a good thing. These 2-ohm replacement speakers, specially designed by PowerBass, will make the most of your factory power. Install these OE-400 4" midrange speakers, and you'll hear a big improvement in sound quality over your old factory speakers.
Step up to aftermarket quality
Say goodbye to flimsy factory woofers. The OE-400's sturdy yet sensitive treated pressed paper cone delivers satisfying performance while enduring the extreme temperatures of life in your car doors.
Note: These speakers won't work with aftermarket car stereos, unless you add a 2-ohm stable outboard amplifier to your system. PowerBass designed these speakers for use with a 2-ohm factory system.
Grilles are not included; the factory grilles should be suitable for most applications.
Product highlights:
- 4" midrange speaker (pair)
- designed for use in 2-ohm factory systems (including Bose® systems)
- no crossovers included
- not compatible with an aftermarket car stereo, unless you add a 2-ohm stable outboard amplifier to your system
- treated pressed paper cone with nylon surround
- handles up to 40 watts RMS (80 watts peak power)
- frequency range: 80-5,500 Hz
- sensitivity: 89 dB
- top-mount depth: 2"
- impedance: 2 ohms
- grille not included
- warranty: 1 year
- MFR # OE-400
What's in the box:
PowerBass OE-400 owner's manual
- Two midrange drivers
- 2 Adhesive backed gaskets
- Two 12" Lengths of speaker wire (each has quick-slides on one end and bare wire on the other)
- Six 1" Screws
- 6 Speed clips
- 4 Red plastic wire caps
- Application guide
- Template
- powerbass Facebook page note
- Window sticker
Customer reviews for PowerBass OE-400
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Average review:
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More details on the PowerBass OE-400

Features & specs
General | ||
---|---|---|
Speaker Size | 4 | |
Design | 1-way | |
Tweeter Design | --- | |
Impedance (Ohms) | 2 | |
Tweeter Composition | --- | |
Woofer Composition | --- | |
Woofer Surround | Nylon | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year | |
Specifications | ||
Sensitivity (1W at 1 meter) | 89 | |
Sensitivity at 2.83 volts | N/A | |
Frequency Response | 80 - 5.5k Hz | |
Minimum RMS Wattage | --- | |
Maximum RMS Wattage | 40 | |
Peak Power Handling (Watts) | 80 | |
Top-mount Depth (Inches) | 2 | |
Bottom-mount Depth (Inches) | 2 5/16 | |
Cutout Diameter or Length (inches) | 4 1/16 | |
Mounting Height (Inches) | 0.333 |
Product Research
Features
Application: On their website, PowerBass notes the 2Ω OE-Series speakers are not designed for use with aftermarket head units or amplifiers. However, if an amplifier is 2Ω stable, with appropriate output power, the speakers are compatible.
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Customer Q&A
3 questions already asked
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I had to replace my Bose 101 speakers and it fits, kind of snug on on one section of the grill but I can live with that.
Allan from Hilo, HI