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4 Channel Amplifiers
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Apart REVAMP4100
4-channel digital power amplifier with Class-D modules4x 100 W at 4 Ohm or 2x 200 W at 8 OhmVersatile configurations: 4 individual channels, 2 stereo channels, or 2.1 systemAutomatic protection circuits against overheating and clippingMaintenance-free thanks to convection coolingBalanced Euroblock and unbalanced RCA inputsDimensions: 19" / 1U, 483 x 44 x 239 mm
£599.99
Shipping: Free
eBay - red_apple_av

source: GamingKit
Crown XLi 3500
Power AmplifierMax. Output Power per Channel: 1,350 WNumber of Channels: 2Frequency Range: 20 Hz - 20,000 HzRack-Mountable: YesDimensions: W483 mm x H89 mm x D366 mmWeight: 19.5 kg
£949.40

Apart REVAMP2150
Bridgable 2-channel power amplifier with 2 x 165 W2 balanced Euroblock and 2 unbalanced RCA inputsAutomatic protection circuit with intelligent compressor/limiter topologyHigh signal-to-noise ratio for versatile applicationsRemovable 19" rack earsDimensions: 483 x 44 x 239 mm
£419.99
Shipping: Free
eBay - red_apple_av

source: GamingKit
Crown XLi 2500
Power AmplifierAmplifier Type: PA amplifierMax. Output Power per Channel: 750 WNominal Power Handling: total 1,500 WNumber of Channels: 2Buil-In Speakers: NoFrequency Range: 20 Hz - 20,000 HzConnections: Audio input (RCA), speakON, XLR
£320.00

Apart REVAMP2250
2-channel digital power amplifier with 2 x 250 watts at 4 ohmsAlso operable in bridged mode with 1 x 500 watts at 8 ohms6 operating modes (presets) for different setupsLow-pass filter for stability when using 100 V transformersClear display with relevant informationCompact dimensions: 483 x 44 x 411 mm
£499.99
Shipping: Free
eBay - red_apple_av

Hertz DP 4.400
Channels: 4.0Max. Output Power per Channel: 75 WImpedance: 4 Ω4-channel Class AB amplifier with a total power output of 1000 WOutput power at 4Ω: 75 W x 4, at 2Ω: 105 W x 4Adjustable high-/low-pass filters and bass boostAutomatic on/off via speaker outputDimensions: height 5 cm, length 33.5 cm, width 19 cm
£238.90

Rockford Fosgate PM400X4
4-Channel Class A/B Marine Amplifier with 800 W4 x 50 / 100 Watts RMS at 4 / 2 Ohms2 x 200 Watts RMS bridged at 4 OhmsHigh-/Low-Pass filter from 50-250 HzBass boost up to 12 dBHigh efficiency with 67% power ratingDimensions: Height 61 cm, Length 197 cm, Width 280 cm
£699.00
Shipping: Free
eBay - caraudiosecurityltd

source: Amazon
Kenwood KAC-M1814
Compact digital four-channel amplifier for car audio systemsClass D digital technologyMax. output power: 400 wattsFrequency response: 20 20,000 HzRCA / speaker-level inputVariable low& high-pass filtersCompact size: 145 x 45 x 99 mm
£119.99

Pioneer GM-D8704
4-channel Class-D amplifier with 1,200 W power outputSpeaker input sensor allows easy connection of OEM devices without adapterVariable low-pass filter frequency for audio system flexibilityConnection for multiple devices to connect up to 4 subwoofersMaximum input power: 4 x 200W (4Ω) / 4 x 300W (2Ω) / 1200W totalHousing dimensions: 252 x 60 x 215 mm
£167.99

Phoenix Gold Z3004
4-channel Class A/B amplifier with an output power of 600 WRMS power: 60 W x 4 at 4 Ohms, 75 W x 4 at 2 Ohms, 150 W x 2 at 4 Ohms bridgedFrequency response from 20 Hz to 20 kHzSignal-to-noise ratio over 50 dBBuilt-in cooling fan for temperature regulationHigh and low inputs for versatile connectivityDimensions: 312 mm x 186 mm x 49 mm
£169.00
Shipping: Free
eBay - caraudiowarehouse2012

JBL Concert A704
Channels: 4.0Max. Output Power per Channel: 70 WImpedance: 4 ΩFrequency Range: 10 Hz - 45 kHzConnections: Audio input (RCA), Speaker terminalsMax. Subwoofer Output Power: 180 W4-channel Class AB amplifierAdjustable high/low-pass crossover frequency from 40 Hz to 400 Hz
£302.99
Shipping: £9.00
Amazon Marketplace - Semantic UK

Alpine R-A60F
4/3/2 channel digital amplifier with Hi-Res audio compatibilityMaximum output power of 1200 WRMS power of 100 W per channel at 4 ohmsFrequency response from 10 Hz to 45 kHzCompact design and easy installationAdjustable crossover with low-pass and high-pass filtersWeight of 3.3 kg, dimensions 282 x 55 x 165
£329.95
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