Russound just announced the addition of the Ratio RM691 High-Efficiency Indoor/Outdoor Loudspeaker. The RM691 is perfect for use with an outdoor zone in amplified keypad (ABUS) and multiroom controller systems (CAV/CAM), the RM691 provides expansive sound without extra amplification. Low-mass driver materials and state-of-the-art engineering allow these speakers to play louder than conventional speakers without sacrificing sound quality.

Unlike traditional outdoor speakers, the RM691 is designed for optimal performance with multiroom systems that can provide up to 20 watts per channel.

No pricing yet, expected ship date is March, 2008.