Check the listing for details. Stage Line MPX-1 Mixer - Used, Powers On, Untested Knobs. Color: Black, Condition: For parts or not working, Made in China. Listed at 18.43 USD. Designed for versatility, this unit powers on, providing assurance of basic functionality. Ideal for DJs and audio enthusiasts, it features dual-channel mixing with adjustable gain, bass, and treble controls. Although the knobs have not been tested, the mixer is known for its reliability in various audio setups. Despite showing cosmetic wear, this mixer remains a valuable asset for those seeking cost-effective audio solutions without the original packaging. Its compact design ensures easy transport and setup for live performances or studio use. The mixer supports phono and line inputs, making it compatible with a range of audio devices. While it displays signs of use such as scratches, these do not affect its operational capabilities. This mixer is a practical choice for anyone looking.