Sentinal Lightning Suppressor for speaker lines consist of the SLS, SLS-HW, SLS-HW+. All three product are protected from over voltage (the same usable and clamping voltages) and over current. In general terms think of them as a:
10 amp device (SLS)
20 amp device (SLS-HW)
and a 30 amp device (SLS-HW+)
At Telcom & Data we strive for long term customer relationships, that' why we offer a 60 day 100% money back guarantee on ALL of our products. (Except Special Made-to-Order Products, including Wheelock MEDC and Explosion Proof Products)
If you are not happy with a product for any reason simply call us at 800-335-0229 and request a Return Authorization number for a full 100% credit. All returns require prior authorization, please. Returned items must be repacked in ORIGINAL packaging NO EXCEPTIONS. Telcom & Data wants to be your one stop telecommunications company. Let us know how were doing by calling 800-335-0229 and ask for extension 832.