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🔊 Small driver, big sound — don’t miss the audio upgrade everyone’s talking about!
The GRS 3FR-4 is a 3-inch, 4-ohm full-range speaker driver designed for clear, rich sound with a durable coated paper cone and foam surround. It delivers up to 25 watts of distortion-free output, powered by an economical ferrite magnet assembly. Ideal for home theater, car audio, and DIY projects, it combines compact size with reliable GRS quality and a 1-year warranty.
| ASIN | B00K2ESJZ2 |
| Additional Features | Subwoofer |
| Age Range Description | Adult |
| Antenna Location | For Computers, For Televisions, For Surround Sound Systems |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Audio output mode | Surround |
| Best Sellers Rank | #40,564 in Electronics ( See Top 100 in Electronics ) #114 in Coaxial Car Speakers |
| Brand | GRS |
| Built-In Media | Subwoofer, speaker cables, mounting hardware |
| Color | Black |
| Compatible Devices | Laptop, Personal Computer, Smartphone |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Auxiliary |
| Connectivity technology | Auxiliary |
| Control Method | Touch |
| Controller Type | Button |
| Customer Package Type | FFP |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Enclosure Material | ferrite |
| Frequency Response | 20000 Hz |
| Frequency response | 20000 Hz |
| Impedance | 4 Ohms |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 8.1D x 9.4W x 5.1H centimeters |
| Item Weight | 318 g |
| MP3 player | No |
| Manufacturer | GRS |
| Maximum Range | 15 Meters |
| Model Name | 1 |
| Model Number | 1 |
| Mounting Type | Bar Mount |
| Mounting type | Bar Mount |
| Number of Audio Channels | 5.1 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 25 Watts |
| Speaker Size | 3 Inches |
| Speaker Type | Surround Sound |
| Speaker maximum output power | 25 Watts |
| Specific Uses For Product | Construction, Home Theater |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 3 Inches |
| Tweeter Diameter | 1 Inches |
| UPC | 848864015194 |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 3 Inches |
C**H
Oh the sound, awesome
I bought this just for experiment to replace a cheap Bluetooth speaker driver. The sound, it can achieve fuller bass (not sub bass of course, no distortion at full volume, speaker Amp is only around 10 watts though. It is loud. I wonder what is the actual power of this little one. It certainly gives the ummp! The only very little draw back is that the higher frequency is not that elaborate. But all in all, it is indeed full range and produces rich sound. Highly recommended. I already ordered a second one. Thank you!
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