The ISP Technologies Stealth Power Amplifier Pro is a lightweight 1U rack power amp built for guitarists running modellers, preamps, or pedal setups into real cabs. It delivers up to 90 watts per channel in stereo or 180 watts bridged, with a flat frequency response so your tone comes through uncoloured. Compact, quiet, and reliable, its an easy fit for studio or stage rigs.SPECS1U rackmount design90 watts per channel stereo at 4 ohms180 watts bridged mono at 8 ohmsFrequency response 20Hz20kHzTwo front-panel volume controlsDimensions 1.75″ x 8.5″ x 11″Weight 3.7 kgMade in USAReleased 2011Includes original box, manual and power supply.Product SpecsItem Number: 39358Make: ISP TechnologiesModel: Stealth Power Amplifier ProCondition: Very GoodFinish: BlackCategories: amps guitar-power-ampsMade In: United StatesMPN: 39358