Check the listing for details. Marantz Stereo Synthesized Tuner ST-440. Condition: For parts or not working. Listed at 39.00 USD. This Marantz Stereo Synthesized Tuner ST-440 is an excellent addition to your home audio setup. With its reliable brand and top-of-the-line features, this tuner is sure to provide high-quality sound for all your favorite radio stations. The tuner has been tested and is fully functional, ensuring that you will receive a great product that will meet all your audio needs. The sleek and stylish design of this Marantz Stereo Synthesized Tuner ST-440 makes it a great addition to any home entertainment system. Its easy-to-use interface and excellent sound quality make it a must-have for music lovers. Whether you're an audiophile or just looking to upgrade your stereo system, the Marantz Stereo Synthesized Tuner ST-440 is the perfect choice.