Convert Telephone Signals To LineLevel Signals Bridges telephoneorigin audio to standard linelevel inputs for mixers, recorders, or amplifiers. This enables easy capture, routing, or processing of phone audio in a professional audio chain. Equipped With Volume And Volume Control Knobs Ondevice controls provide quick, precise gain adjustment for reliable signal levels without needing external equipment. Simple to tune for different sources and environments. PP500 Record Player Preamplifier Model PP500 designed as a record player preamplifier, allowing recordplayer sources to be routed to linelevel inputs for mixing, recording, or playback with appropriate amplification. UltraCompact Channel Preamplifier With Metal Casing, Portable Built in a durable metal housing, the unit is compact and portable for desktop setups, small studios, or mobile use. Use scenarios Home studio or podcast setup: Connect a telephonebased audio source to a mixer or audio interface via this device to capture call audio at line level for recording or streaming. Vinyl playback in a compact rig: Use the PP500 preamplifier to feed a turntable signal into a mixer or interface, enabling convenient vinyl playback in limitedspace setups. Portable or onsite audio tasks: The ultracompact metalcased design allows quick deployment in small rooms or onlocation demos, where space and durability are important.