Railmaster DHB-8, High Bass Speaker DHB8: 8 ohm, 2 watt, 28mm x 28mm x 13mm(1.1” x 1.1” x .44”). Frequency range 200 - 20,000 Hz. MSRP; $7.50Railmaster DHB-8, High Bass SpeakerSKU: RMH-DHB8$6.00PriceCALL TO ORDER