UltraCompact Channel Preamplifier With Metal Casing Portable and durable, this unit is built for versatile use in small spaces or on the go. Model PP500 Record Player Preamplifier The PP500 model provides dedicated preamplification for record players, enabling smooth integration with other audio gear. Equipped With Volume And Volume Control Knobs Front or accessible controls allow precise adjustment of output levels, making it easy to match your system. Convert Telephone Signals To LineLevel Signals Capable of converting telephone signals to linelevel, facilitating connection to mixers, recorders, or other linelevel inputs. Use scenarios Home turntable setup: connect your record player to the PP500 for proper preamplification and adjustable output to an amplifier or mixer. Telephony integration: route telephone audio through a linelevel path for recording, broadcasting, or mixing with other sources. Portable or smallspace rigs: leverage the compact, metalcased design for quick setup in compact studios, kiosks, or mobile setups.