Active Servo Technology II, which Yamaha has
developed for the production of higher quality, super-
bass sound. (Refer to page 14 for details on Advanced
Yamaha Active Servo Technology II.) This super-bass
sound adds a more realistic, theater-in-the-home effect
to your stereo system.

• This subwoofer can be easily added to your existing

audio system by connecting to either the speaker
terminals or the line output (pin jack) terminals of the
amplifier.

• For effective use of the subwoofer, the subwoofer’s

super-bass sound should be matched to the sounds of
your front speakers. You can create the best sound
quality for various listening conditions by using the
HIGH CUT control and the PHASE switch.

• The Automatic power-switching function saves you the

trouble of pressing the STANDBY/ON button to turn the
power on and off.

• You can select a bass effect suitable for the source by

using the B.A.S.S. button.

• This subwoofer system is equipped with a linear port

unique to Yamaha that provides smooth bass response
during playback, minimizing extraneous noise not
included in the original input signal.

CONTENTS

FEATURES

QD-Bass Technology
QD-Bass (Quatre Dispersion Bass) technology is a
Yamaha unique technology to radiate the sound
efficiently in four horizontal directions.

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