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store home | search | shopping cart | checkout | order tracking Home [Click image for a larger version.] Infinity Reference Series REF611A The high-frequency Class D switching power supply used in the Reference 610a is more efficient than traditional class A/B supply's and draws less current from your vehicle's charging system. Full-range preamp outputs facilitate use of multiple amplifiers without the need for noisy and expensive adapters or signal splitters. The Reference 611a features a 12dB per octave electronic crossover, allowing you to optimize bass performance based on enclosure type and subwoofer selection. Dynamic Bass Optimization (DBO) - This provides variable filtering with adjustable "Q" below 100Hz, far beyond conventional "Bass Q" circuits, by allowing the low-frequency output to be optimized for specific subwoofer applications. Frequencies below an enclosure's tuning frequency can be attenuated, preventing damage to the subwoofer and allowing the amplifier's power to be better utilized. Optional remote level bass control available. * CEA Rated: Yes * Power Output: 456 watts RMS x 1 channel at 4 ohms and ² 1% THD + N 657 watts RMS x 1 channel at 2 ohms, 14.4V supply and ² 1% THD + N * Signal-to-Noise Ratio: 70 dBA (reference 1 watt into 4 ohms) * Dynamic Power: 761 watts at 2 ohms * Effective Damping Factor: 6.336 at 4 ohms * Frequency Response (-3dB): 17Hz - 251Hz * Maximum Input Signal: 6V * Maximum Sensitivity: 250mV * Output Regulation: .179 dB at 4 ohms Manufacturers Website Price: £299.99 Enter the appropriate quantity for this item below, then click the 'Add To Cart' button to add the item to your shopping cart. * - Denotes a required field. Quantity * shop by category Head units / Changers Ipod stereos and accessories Bluetooth solutions Visual/Sat Nav Subwoofers Speakers Amplifiers Cabling Accessories Parking sensors and Security Signal Processors Radar/GPS camera detectors Package Deals Special Offers Home Audio Search by Brand shopping cart Quantity : 0 Total : £0.00 shopping cart policies & info customer accounts contact us customer feedback mail list store policies terms and conditions privacy statement online store links search specials best sellers new items Installation Division Links Page Site Index

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