The DALI SUB E-12F is an elegant subwoofer strong enough for most purposes, whether there is music or movies on the program. The SUB E12F features a 12” woofer, capable of moving plenty of air with power and precision. The cone is made from pure aluminium for maximum stiffness and a becoming exterior. Furthermore, the heavy magnet system wields a massive 4-layer, long-stroke voice coil. All in all, the heavy-duty abilities of this “motor system” ensure that the woofer always follows the signal from the amplifier!The heart of this subwoofer is the 170W RMS Class D amplifier with a highly linear response. Embracing a classic DALI trademark, it simply acts as a total low frequency extension of your AV system. The result is a powerful, well-balanced bass reproduction and flawless integration with your speakers. In addition, the integrated limiter helps protecting your subwoofer against overloading.The back plate of SUB E-12 F features controls for volume adjustment, phase, and upper cut-off frequency, while the power on/off function works automatically via signal detection. And with the options for LFE or LINE inputs, this subwoofer easily accompanies any AV set up. Specifications Frequency Range [+/-3] dB: [Hz] 28 - 190 Maximum SPL: [dB] 112 Crossover Frequency: [Hz] 40 - 120 Low frequency driver, Quantity: 1 x 12" long stroke Low frequency driver, Diaphragm type: Polymer Aluminium Enclosure Type: Bass Reflex Bass Reflex Tuning Frequency: [Hz] 36 Max. Amplifier Power Output: [RMS watt] 220 Continuous IEC Power Output: [RMS watt] 170 Input Impedance: [ohms] 25k Connection Input: Mono Line Level (LFE)RCAStereo Line Level (low pass filtered) Magnetic Shielding: No Recommended Placement: Floor Recommended Distance From Wall: [cm] > 5 Functions: Crossover FrequencyPhase SwitchStandby (Auto Power) On/Off SwitchVolume (Gain) Max. Power Consumption: [W] 250 Dimensions: (H x W x D) [mm] 370 x 340 x 380 Weight: [kg] 14.7 Accessories: ManualRubber BumpersSpikes M6