Test & measurement
As the name “Great Replacement Speakers” might suggest, GRS originally intended to be a fair-priced speaker replacement provider. While GRS stays true to its roots, their affordable but durable replacement speakers received such a good reputation that they fulfil their original destiny and became a great choice for DIY projects. GRS is characterized by excellent quality and good performance for a reasonable price. GRS's focus is on being great replacement speakers. Therefore, GRS offers a broad range of car replacement speakers, especially for BMW car speakers. Have fluctuating temperatures, and too much sunlight caused permanent damage to your car speakers? Then GRS might be a good solution. Next to that, GRS also focuses on woofers and tweeters that a specially designed for vintage speaker models. In fact, their drivers are not only great for repairing vintage hi-fi speakers but also for upgrading them. GRS loudspeaker drivers offer a wide selection, from high-quality paper cone woofers to affordable yet extra-durable long-life polypropylene cone woofers. We, at SoundImports, offer many of their greatest and most popular replacement speakers!
This driver's parameters were carefully optimized to match the performance of the classic Bose® 901® loudspeaker systems. Who doesn’t know the legendary Bose 901 speaker?! Featuring a blue paper cone, every speaker cabinet contains four woofers. The GRS RSB901 will make your Bose 901 sound the way it used to. This driver's parameters were carefully optimized to match the performance of the classic Bose® 901® loudspeaker systems. Individually or in multiples, replacing your legendary but ageing speakers has never been easier—or achieved better results. Every RSB901 speaker has been hand checked and tested. It features a premium-quality motor structure resulting in maximum performance and reliability for a good price.
The GRS 10SW-4 poly cone subwoofer is a true bargain in replacement subwoofers. Now you can replace blown or damaged subwoofers with new drivers that equal or outperform the original! These economical subs feature a large diameter voice coil, durable polypropylene cone, and extended excursion for high-energy bass reproduction. GRS poly cone subwoofers are not only the perfect replacement for tired, worn-out subwoofers in a variety of audio gear, but they are also a great choice for new designs. Their handsome polypropylene cones provide durability and good looks. Simultaneously, the large vented magnet assemblies and extended voice coils enable long-throw performance and authoritative bass in a variety of enclosures.
The GRS PRT-8 is a faithful reproduction of the classic "phenolic ring" tweeter from the 60s and 70s featuring an orange colour, developed by CTS and is used by Marantz, Altec, and many others! The GRS PRT-8 is characterized by high efficiency and a flat response. It is described as extremely versatile; great for repairing older systems or for new custom projects.