🔧 Refurbished Products: Grade A Our Grade A refurbished products May show minor cosmetic signs of previous installation, such as small marks or light scratches, but overall have a very clean appearance. Are in excellent working condition, fully repaired with original parts by our certified technician team. Have been carefully tested and guaranteed to be 100% functional. Offer a discount, making them a great value for anyone wanting premium performance at a lower price. Include a 1-month warranty, giving you peace of mind with your purchase. Grade A refurbished products are ideal for customers who prioritize appearance but still want to save on cost. 🔧 Refurbished Products: Grade B Our Grade B refurbished products May have scratches, dents, or cracks, and may show clear signs of previous installation. These damages do not affect the product’s functionality but the appearance is less pristine. Have been fully repaired with original parts and restored by our professional technician team. Are thoroughly tested and guaranteed to be 100% functional. Offer a discount, providing excellent value for customers who are focused on performance over aesthetics. Come with a 1-month warranty, ensuring your equipment is covered. Grade B refurbished products are ideal if you’re looking for fully working equipment at the best price, and you don’t mind a used appearance. Specifications Model MFA-4.320 Class D Number of the channels 4 Frequency response 20-20000 Hz 2 Ohm RMS Power (14.4 V) 480 W x 4 4 Ohm RMS Power (14.4 V) 320 W x 4 4 Ohm RMS Power (Bridge) 960 W x 2 Minimum permissible load on the channel 2 Ohm Minimum permissible load in a bridge connection 4 Ohm Input SPL 0.4 - 8V Low pass filter 50-12000 Hz High pass filter 50-12000 Hz LPF and HPF simultaneous operation True Crossover 12 dB/Oct Input terminal 4 Ga Output terminal 10 Ga Working voltage 9 - 15V Signal-to-noise ratio ≥ 90 dB Size (WxLxH) 12.5 x 6 x 2.2 inch
