stereo equipment that combines the main and pre-amplifiers
an audio amplifier combined with the main and pre-amplifier
a speaker unit for gamut
The amplifier was underpowered.
小型化したオーディオセット
a small audio set with tape recorder, radio, CD player, record player amplifier and other functions
a loudspeaker used for projecting out sound
a loudspeaker called a woofer
a speaker used to deliver the midrange frequencies, called a squawker