Speakers Polk Audio Signature S20e Black:These Polk Audio Signature S20e Black will tune your music experience up a notch. These speakers are known as being a passive model that need to be connected to an amplifier or receiver. Amazing sound quality is played thanks to the 2-band design. Enjoy the crisp sounds from the frequency of 39 Hz to 40000 Hz. With a look into the more detailed characteristics, these speakers offers an impedance of 8 Ohm and they have a sensitivity of 88 dB/mW. For connecting to other devices to play music, the POLK AUDIO speakers can do so via RCA - Cinch. The speakers reach a total power of up to 125 W. The Polk Audio Signature S20e Black speakers are sized 21,5 × 37,5 × 35 cm. Polk Audio Signature S20e Black Speakers Key Features Speakers feature a 2-band design POLK AUDIO speakers dont have their own amplifier, so theyre whats known as a passive model Speaker connectivity: RCA - Cinch Polk Audio Signature S20e Black speaker power reaches up to 125 W Measurements: 21,5 × 37,5 × 35 cm POLK AUDIO speakers weight: 7,7 kg