Features Wide Frequency Response - Covers F0–3kHz, ensuring your guitar s full tonal range comes through clearly.High Sensitivity - 91 dB Spl sensitivity allows your amp to project sound efficiently, making your tone more audible in rehearsals or small gigs.Durable Terminals - Equipped with high-strength steel cardboard terminals for secure and reliable wiring connections.Foam Edge Cone - Provides smooth vibration control for more natural guitar sound and reduced distortion.Specification:Size: 15 InchType: SubwooferRMS Power: 220WMax Power: 450WMagnet: FerriteMagnet Size in Oz: 40 OzImpedance in Ohm: 8Frequency Response: F0-3KHZSensitivity(1M/W): 91.0 DBVoice Coil Size: 2”Voice Coil Material: Asv Copper Voice CoilCone Material: Foam Edge Paper ConeMounting Depth: 140MMFrame Material: IronTerminal Type: High Durable Steel CardboardSPL: 91.0 DBWeight: 2.6kgHole to hole Distance : F370-8-F6.5MMPackage Include:Guitar Amp Speaker