The Blonder Tongue AM-60-860 Professional Quality AM SAP Agile Audio/Video Modulator is a high-quality unit designed for converting analog audio signals into digital coaxial RCA output. Its sleek black design makes it a stylish addition to any TV or video setup. With a single output and input, this modulator by Blonder Tongue is perfect for professional use in audio and video signal amplification and modulation. Made in China, this unit offers reliable performance and features for enhancing your TV and audio experience.