The Yamaha NS-PA40 Black Speaker Kit offers the ability to mount a 5.1 channel sound system, exponentially enhancing the television experience by delivering high-quality, detailed, immersive surround sound. The columns are small in size and fit perfectly in any modern living room, along with other audio-visual equipment. This Yamaha NS-PA40 kit includes a central speaker with Bass Reflex structure in charge of producing the mid and high frequencies, two tower-shaped front speakers with full frequency range, two surround speakers, also with Bass Reflex structure, and a subwoofer with Diaphragm of 6.5 "in charge of conferring even more body and robustness to the sound. The Advanced YST II system creates synchronism between the amplifier and the subwoofer, canceling the impedance and providing linear operation at optimum performance. Other features: discreet and minimalist design; Possibility of wall and surround speaker installation; Maximum power of 100 W supported by each column; Frequency response of the system from 30 Hz to 30 kHz.