




Kicker 49ST7MR4 7 Inch Square Midrange Speakers 250w RMS
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ST 7" (178 mm) Street Series Square Mid-Range Speakers - Pair
49ST7MR4
For those seeking exceptional sound performance in a slightly smaller package, the ST7MR4 is the ideal choice. With PA (Pro Audio)-style woofers and a square cone design, this speaker offers nearly 20% more output to enhance your audio experience. Its extreme power handling and efficiency ensure maximum performance, while its specifically voiced design delivers crystal-clear vocals that seamlessly blend with high-output bass. The ST7MR4 is perfect for competition-level SPL systems and boasts an exceptionally wide frequency response.
Features
- PA (Pro Audio)-style woofers built for extreme loudness
- Square cone design provides nearly 20% more output
- Extreme power handling and efficiency
- Voiced for clear vocals cutting through very loud bass
- Perfect for competition-level SPL systems
- Exceptionally wide frequency response
- Square, pressed pulp cone with treated cloth surround
- Spring-loaded terminals accept 12 AWG wire
Explore the full range in Midrange Speakers.
Specification
| Square Woofers | 7" (180mm) |
|---|---|
| Impedance | 4 Ohms |
| Recommended Amp Power | 50-250 watts RMS |
| Peak Power Handling | 500 watts |
| Frequency Response | 80Hz-7.5kHz |
| Sensitivity | 92 dB |
| Mounting Depth | 3-1/16" (78mm) |
| Mounting Cutout | 5-7/8" x 5-7/8" (150mm x 150mm) |
What's Included
- Kicker 49ST7MR4
Kicker
About the Kicker 49ST7MR4
From our tech experts at CEN
A 7 inch coaxial pair, with the tweeter mounted in the middle of the woofer, rated at 250w RMS.
Who it suits
Drivers replacing tired factory speakers who want a clear improvement without complication. Coaxials go where the originals were and sound better immediately.
Our tech experts advise
Speaker sizes, adapter rings and harnesses vary by vehicle, year and trim, so we confirm what your car takes before ordering rather than guessing. Treating the door skin matters as much as the speaker: a good driver in an untreated door is doing half a job. Installation is priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
Explore the full Kicker range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Kicker
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Frequently Asked Questions
Q: How do I choose the right amplifier for my speakers or subwoofer?
A: Match the amplifier's RMS output per channel to the RMS handling of your speakers or subwoofer at the same impedance. The Specification tab lists the power figures. If in doubt, contact CEN with your setup and we will recommend a match.
Q: What wiring do I need to install this amplifier?
A: You will need an amplifier wiring kit sized to the amplifier's power draw, typically including power and earth cable, a fuse, RCA leads and a remote wire. CEN stocks complete wiring kits, and the amplifier's fuse rating is the guide to the cable gauge required.
Q: What class of amplifier is this and does it matter?
A: Class D amplifiers are compact and efficient, ideal for subwoofers and modern installs. Class AB designs are traditionally favoured for outright sound quality on mid and high frequencies. The class is listed in the Specification tab where provided.
Q: Will an amplifier work with my factory head unit?
A: Yes, in most cases. If your head unit has no RCA outputs you will need a line output converter to feed the amplifier a clean signal. CEN stocks line output converters and can advise the right one for your vehicle.
Q: Can CEN install this amplifier?
A: Yes. CEN offers professional amplifier installation from our Nottingham premises, including secure mounting, wiring and setup. Contact us to book.









































