Technical data: Power handling RMS / max. P 300 / 600 Watts Impedance Z 2 x 2 Ω DC resistance Re 2 x 1.6 Ω Resonance frequency Fs 36 Hz Mechanical Q factor Qms 4.50 Electrical Q factor Qes 0.43 Total Q factor Qts 0.39 Compliance Cms 218 μm/N Equivalent air volume Vas 34 L Force factor B*I 12.3 Tm Sensitivity SPL 91.0 dB @ 2.83V / 1m 88.0 dB @ 1W / 1m Cone area Sd 333 cm² Moving mass Mms 91 g Cone material Hand-scooped paper cone Mechanical resistance Rms 4.56 kg/s Voice coil diameter ø 50.8 mm Voice coil winding height 24 mm Max. linear excursion Xmax +/- 8.0 mm Outer diameter ø 262 mm / 10.31″ Installation diameter ø 232 mm / 9.13″ Installation depth 126 mm / 4.96″ Recommended enclosure volumes: Sealed box Net volume 12 L Lower limiting frequency (-3dB) 53 Hz Recommended DSP settings “Self-Define” Highpass: 45 Hz / Q = 1.5 EQ Filter: 120 Hz / Q = 1.0 / -3 dB Vented box Net volume 19 L Port diameter ø 70 mm / 2.76″ Port area 38 cm² Port length 22 cm / 8.66″ Port tuning frequency Fb 43 Hz Lower limiting frequency (-3dB) 43 Hz Recommended DSP settings “Self-Define” Highpass: 37 Hz / Q = 1.5 EQ Filter: 115 Hz / Q = 0.7 / -2 dB Scope of delivery 1 x Subwoofer HELIX IK W10-DVC2 1 x Grille 1 x Gasket 1 x Data sheet