Speaker Scanspeak 15W/4434G00 (5 1/2 Inch Discovery Woofer) original

15 cm Midwoofer 4 ohm, Coated Fiberglass Cone, Ferrite Magnet, Alu Ring - High Output 90dB @ 2,83V - RMS 60W, MAX 120W - Magnet System w. Alu Ring - Die cast Alu Chassis vented below spider - Coated NRSC Fibre Glass Cone - Low Damping SBR Rubber Surround Parameters: Size (inches) 5.5 Fs (Hz) 43 Re (ohms) 3 Sensitivity (dB) 89.7 Qt 0.21 VAS (ltr) 12.8 Xmax (mm) 4.3