{"product_id":"stealth-acoustics-sa255-monural-subwoofer-amplifier","title":"Stealth Acoustics SA255 Monural Subwoofer Amplifier","description":"SA255 - Monural Subwoofer Amplifier\u003cbr\u003e\u003cbr\u003e\n\nThe Stealth Acoustics SA255 is an integrated monaural subwoofer amplifier\/crossover system designed as a low distortion power source for Stealth Acoustics invisible subwoofer panels or other un-powered subwoofers.  The SA255 can also be used for full range speakers when the low pass filter is off.  Intended for whole house audio or home theater bass applications, the SA255 may stack with other components or mount in a standard 19” equipment rack requiring two RU spaces (3-1\/2”) with the provided removable rack mount ears. The SA255 delivers a solid 250 watts into an 8Ω load and 350 watts into 4Ω.  A variable low pass, 18db per octave filter allows for infinite crossover points from 50Hz to 100Hz.\u003cbr\u003e\u003cbr\u003e\n\n255 with-shadow Front Only 2997x687\u003cbr\u003e\u003cbr\u003e\n\nWith a full complement of input and output connectors, the SA255 is easily integrated into any audio system. Inputs include RCA line level, balanced XLR line level, and phoenix connector speaker level, all with pass-through capability. The speaker level input\/pass-through connections allow the SA255 to feed directly from full-range speaker lines, anywhere in the system. The SA255’s amplifier output connection is via a 5-way binding post designed to accept heavy gauge speaker wires. A selectable automatic turn-on feature activates the amplifier only when audio signals are present. Other features include an internal, quiet, 8-stage cooling fan that automatically engages as required.\u003cbr\u003e\u003cbr\u003e\n\nFront panel controls include volume control, variable low pass filter, phase control, power switch and six power output monitor LED’s. Rear power controls consist of filter bypass switch for full range operation, no signal mute switch and 3-position panel graphics control switch. 115VAC and 230VAC input line voltages are selectable, via a rear panel switch.\u003cbr\u003e\u003cbr\u003e\n\nThe Stealth Acoustics SA255 subwoofer amplifier is covered by a 2-Year manufacturer’s warranty.\u003cbr\u003e\u003cbr\u003e\n\nFEATURES AND FUNCTIONS:-\u003cbr\u003e\u003cbr\u003e\n\nRack Mountable:\u003cbr\u003e\n(2) RU spaces: 3-1\/2” (89 mm)\u003cbr\u003e\n(*Provided rack ears are removed)\u003cbr\u003e\u003cbr\u003e\n\nDC Protected: Fixed high pass filter @ 18Hz\u003cbr\u003e\nVariable Low Pass Filter: 50 to 150Hz \/ 18 dB per octave\u003cbr\u003e\nPower Standby LED: Red (blue when system is active)\u003cbr\u003e\u003cbr\u003e\n\nAuto On\/Standby Function: Switch selectable on\/off\u003cbr\u003e\nFlexible Inputs with Pass Through:\u003cbr\u003e\nBinding post speaker level inputs \/ outputs\u003cbr\u003e\n RCA line level inputs \/ outputs\u003cbr\u003e\n XLR balanced line inputs \/ outputs\u003cbr\u003e\u003cbr\u003e\n\nAmplifier Output Connector: 5-way binding post\u003cbr\u003e\nOutput monitor LED’s: 6 level readings\u003cbr\u003e\nPhase Switch \u003cbr\u003e\nLow Pass Filter on\/off Switch\u003cbr\u003e\u003cbr\u003e\n\nFan Cooled: Automatic – 8 speed stages\u003cbr\u003e\n110v and 220v Input Voltages\u003cbr\u003e\u003cbr\u003e\n\nTECHNICAL SPECIFICATIONS:-\u003cbr\u003e\u003cbr\u003e\n\nMono Power Output:\u003cbr\u003e\n250 watts @ 8 \u0026lt; 0.05 THD\u003cbr\u003e\n350 watts @ 4 \u0026lt; 0.05 THD\u003cbr\u003e\u003cbr\u003e\n\nTotal Harmonic Distortion:\u003cbr\u003e\n \u0026lt; 0.05 @ 1 watt 4 \/ 100Hz\u003cbr\u003e\u003cbr\u003e\n\nSignal to Noise Ratio:\u003cbr\u003e\n86 dB below rated output\u003cbr\u003e\u003cbr\u003e\n\nCrossover Section:\u003cbr\u003e\nLow Pass Filter: 50Hz – 150Hz \/ 18 dB per octave\u003cbr\u003e\n (variable with bypass switch)\u003cbr\u003e\nHigh Pass Filter: 18Hz \/ 30 dB per octave (fixed)\u003cbr\u003e\u003cbr\u003e\n\nSystem Impedance: 8Ω nominal – 4Ω minimum\u003cbr\u003e\nCurrent Draw: 6.2A @ 350W\/4 – 115VAC\/60Hz\u003cbr\u003e\nDimensions:\u003cbr\u003e\nWidth: 19” (482 mm)\u003cbr\u003e\nHeight: 3-1\/2” (89 mm) – without feet Depth: 13-5\/8” (346 mm)\u003cbr\u003e\u003cbr\u003e\n\nFinish: Black anodized aluminum\u003cbr\u003e\nWeight: \u003cbr\u003e\nProduct Weight: 31.3 Lbs. (14.20 kg)\u003cbr\u003e\nShipping Weight: 32.5 Lbs. (14.74 kg)\u003cbr\u003e\u003cbr\u003e\n\nIncluded Accessories:\u003cbr\u003e\nRemovable power cord\u003cbr\u003e\nRemovable rack ears\n","brand":"Stealth Acoustics","offers":[{"title":"Default Title","offer_id":57415238353228,"sku":"STACSA255","price":900.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6891\/2204\/files\/Stealth-Ac-sa255.jpg?v=1777555002","url":"https:\/\/www.stoneaudio.co.uk\/products\/stealth-acoustics-sa255-monural-subwoofer-amplifier","provider":"Stone Audio","version":"1.0","type":"link"}