Ground Zero GZPF 40SQ

- Handmade in Germany - High-end 1.6? wide range speaker - Aluminum cone - Black anodized aluminum housing with coupled chamber - outer diameter: 54 mm - mounting diameter: 48 mm - mounting depth: 39 mm - voice coil diameter: 0.63? - cone material: Aluminium - Power handling RMS: 50 W - Power handling peak: 80 W - Impedance: 4 Ohm - Sensitivity: 84 dB (2.83V/1m) - Frequency response: 500 Hz ? 24 KHz.