Boss Audio NX654 Onyx 6.5" 4-Way Speaker: * Power Handling: Peak 400W * Impedance: 4 ohms * Frequency Response: 65Hz - 20KHz * Cone Material: Poly injection * 1" aluminum voice coil * 2 x 3/4" Mylar tweeters * Midrange 1-1/4" Mylar cone * 2-1/3" mounting depth