Use your headphones with almost any TV. The BT928 connects your set’s Scart or RCA sockets which means that the TV’s speakers will not be muted when it’s in use - superb aid for the hard of hearing who can listen at their preferred volume level without disturbing others. It features sockets for both standard and miniature headphone jacks and both sockets can be used at the same time if necessary. The in and out RCA sockets enable the unit to be daisy chained anywhere in the input circuit. • Suits all stereo headphones with either 3.5mm or 6.35mm plugs . • Independent volume and tone controls. • Gold plated RCA sockets for minimum loss. • Power supply included. Technical Information: • Input impedance: 10k ohms. • Input: 500mV - 700mV. • Output: Suitable for stereo headphone 20 - 200 ohms. • Signal / Noise ratio 90dB. • Channel separation >75dB. • Power 15 V DC 200ma.