Home » Sound Powered Phone with Handset Cradle Sound Powered Phone with Handset Cradle SKU: 277 More Views Sound Powered Phone with Handset Cradle SKU: 277 The Sound Powered Phone is a safe reliable transmission for chamber communications. Be the first to review this product Product Options* Choose an Option... Loading... * Required Fields Qty: Add to Quote Add Wishlist Add Compare Share Facebook Share on Twitter Download Product Datasheet Description The Sound Powered Phone is a safe reliable transmission for chamber communications.