PRF-C501 Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: PRF-C501 MANUFACTURER: Proficient Audio - Nortek Product Details C501, Ceiling speaker with 5 1/4" woofer and 1/2" pivoting hard-dome polyamide tweeter (Sold as Pair) Product Details Back Product DetailsC501, Ceiling speaker with 5 1/4" woofer and 1/2" pivoting hard-dome polyamide tweeter (Sold as Pair)