Material: wood Applicable models: universal Maximum power: 600W Sensitivity: 90 dB 1: Built-in power amplifier: this car subwoofer adopts a built-in power amplifier design, so there is no need to add an additional amplifier. 2: High-density speaker protection filter: this car subwoofer uses a high-density speaker protection filter to protect the speaker from damage. 3: Ultra-slim design: this car subwoofer can be installed under the car seat and does not take up space in the car. 4: Universal: this car subwoofer can be installed on all models. 5: Music lovers: enjoy wonderful music while driving, this subwoofer is your best choice. [French company and brand TECH DISCOUNT]: Our company TECH DISCOUNT manufactures and sells this high-quality product compared to similar products on the market (even if the photos are similar, they are not designed the same way and sellers do not offer the same after-sales services). Each product undergoes strict control before shipping, ensuring you receive your product in excellent condition. In case of quality issues, we will provide a free exchange within 14 days. Shipped from France on the same day as the order, and you will receive it as soon as possible (unlike other sellers who cannot guarantee shipping times or ship from abroad, whose after-sales service is generally insufficient). Our after-sales service will be at your disposal to respond effectively. [Attention to other sellers]: This product is sold exclusively under our French brand TECH DISCOUNT. It is prohibited to reproduce it.