YAMAHA FX550 Multi-Effects Processor Includes Genuine AC Adapter PA-1207 Sound output has been confirmed, but it is being sold as a junk item due to occasional noise and the FS bypass terminal not working. This half-rack size unit offers a space-saving design while still allowing simultaneous use of various effects such as reverb, delay, chorus, and distortion. Preset sounds from famous guitarists are also included, making it a ready-to-use unit. ◆ Product Details ・Up to 6 effects can be used simultaneously ・MIDI compatible ・Compact half-rack size ・Suitable for a wide range of instruments besides guitar ◆ Condition • Power on and basic operation confirmed • All knobs and buttons respond well • Slight scratches and paint peeling on the exterior due to normal use • Signs of use due to age (see photos) ◆ Accessories • Two instruction manuals (copies) • Dedicated adapter ◆ Recommended Points ・Ready to use for home recording and live performances ・For those seeking vintage sounds ・More space-saving and easier to handle than the FX500