Noise filter REVAMP-R for remote lines, connects to IN/OUT terminals. - Model Name: REVAMP-R - Application: For remote lines - Price: ¥33,000 (tax included) … ¥16,500 x 2 - Features: Noise filter function - Connection Terminals: IN/OUT By removing noise riding on the remote power supply, it reduces high-frequency noise on the circuit board. It gives the impression of increased depth of sound and a clearer sound image.