The built-in 250 Watt power amplifier, fully adjustable gain, crossover frequency, and phase controls make tuning your multi-channel setup a stroll in the park – or a walk across a full-scale battlefield, depending on your sonic preferences. SPECIFICATIONS Product Series IKON MK1 Speaker Type SUB Frequency Range (+/-3 dB) [Hz] 26 - 200 Max. Amplifier Power Output [Watt RMS] 325 Nominal Impedance [Ω] 30k (L/R), 20k (LFE) Maximum SPL [dB] 113 Continuous IEC Power Output [Watt RMS] 250 Bass Reflex Tuning Frequency [Hz] 29 Enclosure Type Bass Reflex Recommended Placement Floor Controls Volume (gain), Phase Crossover frequency Standby Power Consumption (watts) 1.8 Drivers Mid/Woofers 1 x 12" (long stroke) Magnetic Shielding No Dimensions (HxWxD) (mm) 450 x 410 x 450 Connection Inputs RCA unbalanced Weight (kg) 29.0 Accessories Included ManualRubber FeetSpikes, M8Spanner for spikesMains cable