The speakers Signature S20e from the company Polk Audio Characterized as bookshelf speakers because they are placed on a shelf or special base, which is sold separately. In this category usually belong the main speakers of a sound system, but due to their small size they can also be used as peripherals for better sound simulation. The power and impedance of them are 125W RMS and 8Ω respectively, which means they can be connected to an amplifier with the corresponding characteristics. This is a speaker 2 way, meaning the sound frequencies are reproduced by two speakers, one tweeter for the high frequencies and one woofer for the low frequencies.

• Power: 125W
• Nominal Impendance: 8ohm
• Height: 37.59cm
• Width: 21.59cm
• Depth: 35.05cm