Profile: Onkyo USA Corporation specializes in audio and video equipment. Our products include CD/DVD players, amplifiers, cassette players, tuners, speakers and accessories. The A-5VL integrated digital amplifier has separate transformers for L/R channels and low-impedance copper bus plates for ground potential. The SKW-204 bass reflex powered subwoofer has a frequency response of 25-200 Hz, and a maximum power of 230 W.