ShengYa SPA-1 Audio Professional AMP broadcasting amplifier Constant voltage

Product Price: $408.76 USD

  • Product Model: Model: MUIA9832138
  • Product Weight: Shipping Weight: 16kg
  • Product Quantity: 2 Units in Stock

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ShengYa SPA-1 Audio Professional AMP broadcasting amplifier Constant voltage
100% Brand New


All items guaranteed 100% BRAND NEW in the original edition Box.


Three microphone inputs, two auxiliary inputs, one auxiliary output, public address.
100V, 70V constant voltage output and 40hms fixed resistance (balanced, ungrounded) output.
There is a silent function for easy insertion of priority broadcasts.
Independent volume control for each channel.
Treble and bass tone control.
5 unit LED level meter, easy to observe the output level.
Output short circuit protection and alarm. (The indicator light flashes)

Technical Parameters:
Rated output: 300W
Output adjustment rate: from full load to no load, less than 3dB
Output mode: 8Ω balanced output, 70V, 100V constant voltage output
Auxiliary output: > 95Db
Input: Mic 1, 2, 3: 600Ω, 2.0mV (-54dBV), unbalanced
AUX1, 2: 10kΩ, 100mV (-20dBV), unbalanced
Frequency response: 100Hz 16kHz
Harmonic distortion: less than 0.1% at 1 kHz
Signal to noise ratio: Microphone 1, 2and 3: 66dB AUX 1 and 2 : 70dB
Tone adjustment: Bass: ± 10dB at 200Hz Treble: ± 10dB at 200Hz
Protection: AC fuse X 1, DC output, overload protection
Mute function: MIC 1 input overrides other inputs (attenuation 0 -30dB)
Power supply: AC 220 240 / 50 60Hz
Power consumption: 500W
Size: 430 X 125 x 380 (mm)
Weight: 14Kg


This product was added to our catalog on Wednesday 17 October, 2018.