Style:Speaker only Product Description The Yamaha NS-SP1800BL 5.1-channel home theater speaker package is a low cost, convenient way to enjoy the full benefits of 5.1-channel home theater sound

The NS-SP1800BL features advanced Yamaha Active Servo Technology (Advanced YST), which is a unique system in which the speaker and amplifier work together to cancel out impedance so the speaker unit has a perfectly linear motion

Advanced YST helps to ensure the highest levels of sound pressure and overall performance.Dimensions: Front Speaker: 4 x 6.3 x 4" (100 x 160 x 100mm), Center Speaker: 11.9 x 4 x 4" (300 x 100 x 100mm), Surround Speaker: 4 x 6.3 x 4" (100 x 160 x 100mm), Sub woofer: 11.4 x 11.4 x 12.7" (290 x 290 x 328mm).What’s in the box: Yamaha NS-SP1800BL 5.1-Channel Home Theater System (Black), 2 x Front Speakers (NS-AP2600S), 2 x Rear Surround Speakers (NS-AP2600S), Center Speaker (NS-AP2600C), Subwoofer (YST-SW012), 4 x Non-Skid Pads for Speakers, Instruction Manual and 1-Year Parts and Labor Warranty.Power Requirements: 120VAC, 60Hz Power Consumption: 45W From the Manufacturer The Yamaha NS-SP1800 5.1-channel speaker package offers authentic audio quality

Yamaha NS-SP1800 includes a powerful 100-watt subwoofer for full surround home theater enjoyment

This affordable speaker system features Advanced YST (Yamaha Active Servo) Technology--a unique system in which the speaker and amplifier work together to cancel out impedance to ensure the highest levels of sound pressure and overall performance

This outstanding system also features wide-range system frequency response, and magnetic shielding on the front and center speakers

And it's wall-mountable for placement convenience

Enjoy authentic sound quality with the Yamaha NS-SP1800 Natural Sound 5.1-channel speaker package

Enjoy authentic sound quality with the Yamaha NS-SP1800 Natural Sound speaker package Full 5.1-Channel Surround Sound in a Compact Package Four compact satellite speakers and center channel speaker paired with a compact subwoofer deliver true 5.1-channel surround sound without overwhelming your room

Featuring sophisticated speaker drivers with wide-range system frequency response (28Hz - 50kHz), this speaker system delivers full, rich and life-like sound with restored harmonics, crisp highs and accurate bass

The removable grill cloth keeps the dust out and prevents unexpected damage to the speaker

Combining four two-way satellite speakers and a single two-way center-channel speaker with a powered subwoofer, the NS-SP1800 speaker system is a simple step to add surround sound to your home theater

Each satellite speaker features a single 0.5" tweeter and 2.5" woofer driver, delivering full, vibrant surround sound effects

The center-channel speaker has dual 2.5" woofers and a single 0.5" tweeter, reproducing the middle range (such as movie dialogue) with clarity and detail

An 8" powered subwoofer completes the audio experience, adding deep, controlled bass audio to add impact to your music and movie soundtracks

Advanced YST For improved low-frequency bass audio reproduction, the NS-SP1800's subwoofer has been outfitted with Advanced Yamaha Active Servo Technology (YST)

Advanced Yamaha Active Servo Technology is a unique system in which the speaker and amplifier work together to cancel out impedance so the speaker unit has a perfectly linear motion

Advanced YST helps to ensure the highest levels of sound pressure and overall performance

Magnetically Shielded Speakers rely on powerful magnets to reproduce the sound, and sometimes those speaker magnets can potentially interfere with or damage other A/V components when placed too near to these devices

All of the speakers in the NS-SP1800 system have been magnetically shielded, preventing damage and helping to ensure optimal performance as well as allowing for versatile placement.