Cassette Play with AM-FM Tuner / Mega Bass Sound / Automatic Volume Limiter System (AVLS) / Slim design The Sony WM-FX197 AM/FM Radio/Cassete Walkman Player lets you hear your old mix tapes and listen to your favorite radio stations while you travel. The Mega Bass® Sound delivers powerful bass and the Automatic Volume Limiter System (AVLS) maintains a strong signal for maximum listening comfort. The slim design makes it easy to carry anywhere.