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เครื่องขยายเสียง Dual Power Amplifier 250W x 2 4Ohm
 
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TOA DA-Z250D AS เครื่องขยายเสียง Dual Power Amplifier 250W x 2 4Ohm TOA DA-Z250D is a 2-channel digital power amplifier that deliver excellent performance at high effciency. With the Class D amplifier employed, high power efficiency is achieved and less heat is dissipated. Furthermore, it allows a reduction in size and weight. DA-Z250D is ideal for professional sound and installed sound application in small to medium-sized areas. Features : 
2 ChannelsCompact and lightDurable and sturdyProtection against excessive current due to overload, short circuit, unusual DC voltage output, power amplifier heat sink temperature rise Specifications : 
| Model | DA-Z250D AS |  
| Power Source | 220-240V AC, 50/60Hz |  
| Amplifier System | Digital Class D |  
| Power Consumption | 120W (EN Standard), 620W (rated 4Ohm x 2), 400W (rated 8Ohm x 2) |  
| Frequency Response | 20Hz - 20kHz, +- 1dB |  
| Distortion | Less than 0.3% at 1kHz, 1/3 output rated |  
| Input | 2 channels, +4dBm* (1.23V, on the position of the maximum volume control), 10kOhm, electronically balanced, XLR connector Parallel switch ON/OFF CH1 (ON: Parallel, OFF: each CH)
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| Output | 2 Channels : 250W x 2 (4Ohm), 170W x 2 (8Ohm) 1 channel: 500W (8Ohm), BRIDGE |  
| Protection Series | Protection for over-current when the load is beyond the specifications, short-circuit, unnecessary DC voltage protection, and protection due to the increased excessive heat |  
| S/N Ratio | More than 80dB |  
| Cooling System | Cooling fan |  
| Indicator LED | Power (green) x 1, Input (green) x 2, Output (yellow) x 2, Peak(red) x 2, Protect (red) x2 |  
| Finish | Front Panel : Aluminum Hair Line, Etching Black Case : Steel Pate, Painting, Black
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| Dimensions | 420(W) x 59.5(H) x 345(D) mm |  
| Weight | 4.5kg |  
| Accessory | AC Power cord 2 meters |  |