Main Karaoke Norm 4.1000 sử dụng các Linh kiện chính hãng, kỹ thuật tiên tiến nhất và cộng với Kinh nghiệm Beta Three công suất xuất âm để cho ra đời sản phẩm được anh em trong làng âm thanh tín nhiệm nhiều năm.
• High output SPL and sensitivity
• Speakon input connectors
• Powder coated protective grill
• Durable Polyurethane textured base paint
• Light weight 2×18” subwoofer
• Strong power penetrating with impact
• Housed in a rugged, all-steel 2U chassis
• Versatile input / output and cascade matchup
• Instant MF adjustment ensures superior performance
• Low distortion, Low noise. High speed amplification obtains clean and powerful sound
• Operates within 8Ω and 4Ω loads
• Variable fan speed is automatically adjusted by temperature with front to back air flow for efficient cooling
• Electronically balanced XLR inputs
• Touch proof binding post and Speakon outputs
• Precision indented level controls, power switch
• Protect, Peak and Signal LEDs indicators for each channel
• Amplifier protection includes short circuit, overload, excessive temperature, and DC on outputs

Rated Power (8Ω, @ 1kHz): 4 x 1000W
Rated Power (4Ω, @ 1kHz): 4 x 1600W
Max Gain 41.2dB
Amplifier Type H
Current Consumption (1/8 power 4Ω speaker) 6.4A @230V
Max Current Consumption (1/8 power 4Ω speaker) 14A @230V
THD (@1kHz) <0.025% @8Ω, 20Hz-20kHz
IMD (@60Hz/7kHz 4:1) <0.05% @8Ω, 60Hz/7kHz 4:1
Frequency Response <± 0.5dB, 20Hz-20kHz
Phase Characteristics <± 15°
Damping Factor >300:1
Resolution >80 dB
S/N Ratio >106dB(1kHz, A weight)
Input Sensitivity 0.775V
Input Impedance >unbalance10kΩ, balance >20kΩ
Input Connectors 4 x XLR
Output Connector 1 x XLR+4 x NL4+4 x Binding post
Power Supply AC 220-230V 50Hz/60Hz
Cooling airflow from front to back
Environment Temperature ) -10℃–40℃(working) -25℃–80℃(storehouse
Dimension (W x D x H) 390mm x 483mm x 89mm
Net Weight 19kg
Gross Weight 20kg

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