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YAMAHA MA2120 เพาเวอร์แอมป์ 2 แชนแนล 100 วัตต์

YAMAHA MA2120 เป็นเครื่องขยายเสียงกลางแจ้งคลาส D ที่มีกำลังขับ 2 x 100 วัตต์ที่ 8 Ohms และ 2 x 120 วัตต์ที่ 8 Ohms ตอบสนองความถี่ที่ 20 Hz – 50 kHz




YAMAHA MA2120 เพาเวอร์แอมป์ 2 แชนแนล 100 วัตต์

YAMAHA MA2120 เพาเวอร์แอมป์ 2 แชนแนล 100 วัตต์


  • Easy setup and a user-friendly interface for effortless operation
  • Supporting Lo-Z (120W x2ch @4Ω or 100W x2ch @3Ω/8Ω) and Hi-Z (120W x2ch or 200W x1ch 70V/100V) speaker systems
  • Flexible 6 mic/line inputs and 2 stereo inputs with all 6 mic inputs featuring a 24V settings
  • DSP functions for music playback and microphone use (Feedback Suppressor Priority Ducker Leveler Compressor Reverb & Echo)
  • Bass and treble stereo source EQ with an enhancer function
  • Output EQ for optimizing the sound of each Output channel
  • Built-in speaker EQ optimum for Yamaha VXC/VXS series speakers as well as HPF and selectable LPF settings
  • Capable of controlling sources and volumes seperately in two areas (Source/volume zoning)
  • Service areas or zoning areas can be expanded by adding a PA2120
  • Remote volume control and microphone on/off switching via optional DCP control panels (DCP4V4S DCP1V4S DCP4S max 2 units)
  • Intelligent protection function ensures safe reliable operation
  • Certified by ENERGY STAR
  • Certified as Yamaha Eco Products
  • Space-saving 1U rack size (*sufficient space must be provided above and below the unit for airflow and cooling.)

ดูสินค้ายี่ห้อ Yamaha ทั้งหมด




General specifications MA2120
Output power 1kHz (THD N=1%: 3Ω) 100W x 2 (20ms Burst)
1kHz (THD N=1%: 4Ω) 120W x 2 (20ms Burst)
1kHz (THD N=1%: 8Ω) 100W x 2 (20ms Burst)
High impedance: 100V line 120W x 2 or 200W x 1
High impedance: 70V line 120W x 2 or 200W x 1
Total harmonic distortion ≤0.2% (Line in to Speaker out Half power @1kHz 3Ω/4Ω/8Ω) ≤0.2% (Line in to Speaker out Half Power @1kHz 70V/100V 120W/200W)
Frequency response 0dB -2.5dB 1.0dB (Line in to Line out 20Hz to 20kHz) 0dB -3.0dB 1.0dB (Line in to Speaker out 50Hz to 20kHz 1W 3Ω/4Ω/8Ω) 0dB -3.0dB 1.0dB (Line in to Speaker out 90Hz to 20kHz 1W 70V/100V 120W/200W)
Crosstalk ≤ -70dB (MIC/LINE input to other MIC/LINE input)
I/O Connectors Mic/Line Input Input 1-6: 3.5mm Euroblock (6-pin balanced) x 3
Line Input Input 1-6: 3.5mm Euroblock (6-pin balanced) x 3
Speaker Output Barrier strip x 2 pairs
Line Out LINE OUT: MONO RCA pin x2 (unbalanced)
Control ports RJ-45 (for DCP4V4S DCP1V4S DCP4S) Remote (3.5mm Euro block 3-pin)
Mic Input
Stereo Input
Input Level Mic input: -56dBu (Sensitivity) -36dBu (Nominal) -8dBu (Max before clip) / Line input (unbalanced): -30dBV (Sensitivity) -10dBV (Nominal) 10dBV (Max before clip) / Line input (balanced): -24dBu (Sensitivity) -4dBu (Nominal) 24dBu (Max before clip)
Output Level -10dBV (LINE OUT Nominal)
Processors Speaker EQ (VXS:Full Range VXC VXS10S/ST) HPF (150Hz) LPF (150Hz 200Hz)
Protection circuit Load protection Power switch on/off: Mute the output* Output voltage protection: Compress the output* DC-fault: Power supply shutdown (*Restored automatically)
Amplifier protection Thermal: Limit the output* → Mute* → Shutdown Over current: Mute the output* Integrated power limit: Compress the output* (*Restored automatically)
Power supply protection Thermal: Power supply shutdown Over voltage: Power supply shutdown Over current: Limit the output* →Power supply shutdown (*Restored automatically)
Amplifier class Class D
Cooling Conventional cooling bottom to up airflow
Power requirements 100V 120V 230V – 240V 50Hz / 60Hz
Power consumption 60W (1/8 max power 4Ω AC100V pink noise at all channels)
Dimensions W 480mm (18.9”) *1
H 45mm (1.8”) *1
D 379mm (14.9”) *1
Net weight 4.9kg (10.8lbs)
Accessories AC power cable 3.5mm Euroblock plug (6-pin) x 3 Euroblock pulg (3-pin) x 1 Owner’s manual Setup guide
Options DCP4V4S DCP1V4S DCP4S (Digital Control Panel)
Certificate ENERGY STAR
Others Operating Temperature: 0°C to 40°C Storage Temperature: -20°C to 60°C Rack-mountable when ensuring sufficient ventilation above and below the unit