Pair of Power Dynamics CSPS6 in-ceiling speakers for home and commercial use. With a 6.5” driver operating at 16 Ohm for easy wiring of multi-speaker installations Easy to install with built-in spring clamp mounting to ceiling boards or panels. The cable terminals are a push rocker design that do not require a screwdriver A durable design commercial ceiling speaker, the CSPS6 features an SPL of 92dB with a max rating of 40W, and a frequency range of 130Hz to 15kHz Designed for trouble free installation with a low mount depth of just 77mm allowing for fitment in shallow ceilings, with an extra low weight of 0.