MERCURY DSP 8.4 HD (Digital Sound Processor) Subwoofer Box with 4 Channel Amplifier ✅ 8" Subwoofer Box ✅ 4 Channel Amplifier Buildin ✅ Bluetooth Steaming with Mobile Phone ✅ Remote Monitor ✅ Digital Sound Processor Function Introduction Specification Active Range:≥110dB S/N Ratio : ≥100dB T.H.D. : ≤0.05% Freq. Response : 20Hz～20KHz Input Impedance : Low level input:20KΩ, High level input:240Ω Low Level Output : 100Ω Power Output (4Ω) : RMS 50W X 4，Peak Power 400W X 1 Signal Input / Output Range : RCA Input：3.3Vpp；High level：30Vpp；RCA Output：13.0Vpp Temperature : -10～70℃ Supply Voltage : DC 9V～15V Turn-On REM Output : +12V starting voltage output (0.1A) Power Consumption : ≤0.1W Weight : 4.6kg Dimension : 345Lx245Wx70H mm Function Input Signal Type : Choice: 4 ch high level, 2 ch stereo low level,Blue Tooth ，SQ play RCA Output Location : Freely definable output sound position and speaker type Output Signal Gain : Gain range: Mute, -59dB to 0dB Output Signal Equalizer : 1-4 Each output channel 10 band , 5-6 each output channel is independent of the 8 band equalizer engine: 1. Equalizer type: 1st equalizer for Q and low pass option. : 2nd equalizer for Q and high pass option : others for Q balance 2. Frequency range: 20Hz～20KHz，resolution 1Hz 3. Q (slope or gradient): 0.404～28.85，resolution 0.01 4. Gain: -12.0dB～+12.0dB，resolution 0.1dB Output Signal Crossover : Each output with 2 rank’’s high/low pass indepandent filter 1. Professional filter type: Butterworth, Linkwitz-Riley, Bessel 2. Filter crossover: 20Hz - 20KHz , Resolution 1Hz 3. Filter slope setting: CH1-CH4 6/12dB/Oct, CH5-CH66/12/18/24dB/Oct。 Output Phase And Time Delay : Each output channel can be adjusted for phase and timedelay, parameter range Phase: 0゜/180゜ Time delay: 0.000-5.4ms，0.00-187.00cm，0.00-74.00inch Scene Operations : Unit can keep 6-style of music scenes by preset.

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