The hdmm5ma 15 feet active high speed hdmi cable features a built in active signal booster for a connection distance of up to 15 feet 5m between your hdmi enabled devices with no signal loss this durable lightweight cable features thinner hdmi wire construction approximately half the thickness of a regular 5m cable which allows for a more flexible installation with minimal clutter plus the cable features built in amplifier circuitry which actively boosts the hdmi signal with no external powe