HEAVY-DUTY DURABLE CONSTRUCTION – Die-Cast Aluminium Chassis – no plastic structure here! The metal body is part of a secure and rigid structure, no flexing body when the unit is in full power, this also helps with bass output One of the main advantages of the In Phase USW300 is its impressive sound quality. This subwoofer features a 6.5-inch driver with a powerful 150W RMS amplifier that can produce deep, punchy bass tones that will take your car audio experience to the next level. The USW300 also has a frequency response range of 20Hz-150Hz, allowing it to reproduce all the low-frequency sounds in your music with stunning accuracy and clarity. This little beast was designed as direct competition to the Kenwood KSC-SW11 and the Pioneer TS-W130EA. Everything about this sub is superior, the structure, cone material, the amplification and the robustness. Despite its exceptional performance and build quality, the In Phase USW300 is surprisingly affordable, making it an excellent value for money option for anyone looking to upgrade their car audio system. With its low price point, you can get a high-quality subwoofer that will significantly enhance the sound of your music without breaking the bank. SPECIFICATION: Speaker Frequency range 40-150hz Bass Boost 26db Gain @ 42Hz Bass Boost Frequency Wired Remote Control High-Level speaker inputIn conclusion, the USW300 clearly has a lot more to offer for the price compared to its big-name competitors. Don’t just take our word for it – give it a blast today and see for yourself. The In Phase USW300 represents far better value for money than the Kenwood KSC-SW11 and the Pioneer TS-WX130EA, offering more power, and with its accompanying 2-year warranty, more peace of mind for the consumer. BRITISH DESIGN – All In Phase speakers are designed in the UK utilising over 30 years of audio experience to create a sound that is right for you Metal cones are light in weight and can be really stiff, but they are really robust cones that rarely go wrong. This sub has a damping material built into its cone and spider to ensure a rattle-free performance and deep bass.