Thank you for viewing. This is a top-of-the-line model from 1979. The standard price was 87,800 yen. Nicknamed "Disco M." This is the National RX-5700, National RX-5700 (1979). Now it's Panasonic. As a high-end model, it supports metal tapes, noise reduction, 10-song TPS, and other features. When you turn up the volume, there is no noise or distortion from the speakers. No crackling. From the front. It's a large boombox, which was the mainstream at the time, but the square speaker nets, wood-grain panel, and analog level meters give it a calm feel. Cassette section. According to the catalog, it's equipped with a newly developed MX head to fully bring out the goodness of metal tapes. It also has a counter. Next to the counter is the katakana "National" logo. The switches lined up at the top are the 10-song TPS (automatic track selection). Level meter. "NOISE REDUCTION IN" lights up when the cassette's noise reduction (seems to be not Dolby) is turned ON. The left meter is for battery level, and the right meter is also for radio tuning. Left side of the operation panel. FM WIRELESS switch Next to it is the meter switching. Product operation Radio: AM/FM reception confirmed. Cassette: Playback, fast forward, rewind, and track selection functions. (Mechanism maintained) Level meter ok. Output from left and right speakers. Volume, tone control, and all switches respond well. Built-in Bluetooth can be installed for 10,000 yen. Condition of the product The product is very clean with no scratches. Antenna is not broken. Accessories: Power cable, instruction manual. The tweeter is inside the net on the left. Manual recording, and also compatible with the nostalgic Fe-Cr tape (TYPEIII). There is a built-in microphone on the upper left. There is also one on the right, making it stereo. Accessories: Main unit, power cable, instruction manual.