The Sony TP-4 Telephone Pickup Pick-Up Microphone is a vintage microphone designed for use with telephones. This microphone is a product of Sony, known for their high-quality audio equipment, and was manufactured in Japan. The model is compatible with universal telephone systems and is described as untested, indicating that its functionality may need to be verified. It is a unique accessory for vintage audio and video enthusiasts looking to experiment with telephone audio pickup technology from the past.
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