Have the Sennheiser couple sent back: The bar pressure is unbearable in the long run. The sound compared to Sennheiser TR 840 is much worse. In addition, the volume regulation by the "large" adjustment wheel is better. Service defects: credit for the RS 4S4200-2, immediately okay. The sep. Battery purchased IS410 (of returning to accounting tion included), despite telephone complaint not credited but not sent back. This is no "star" worthy.
