เครื่องขยายเสียง DC 50W TRIO TR-357DC
| Model | TR-357 DC |
| Power Output (MONO) | 50 W. RMS. |
| Input | - 1 MICROPHONE High-Low Impedance (250-600 Ohm) |
| - 1 AUX (Phone jack) | |
| Tone Control | 2 Band . BASS , TREBLE +/- 12dB |
| Output | - TO-3P Power Transister |
| - 8-16 Ohms Speaker | |
| Frequency Response | +/- 2dB , 20Hz. - 20KHz. |
| IM Distortion S.M.P.T.D | < 0.09 % |
| Option | - Protection Short Circuit Speaker |
| - Muting Mode in MIC 1 / SW. Function | |
| - LED Display | |
| - ขนาดเท่ากับช่องวิทยุติดรถยนต์มาตรฐาน | |
| Power Requirement | DC 12 VDC. 10-20 A. |
| Dimension (WxHxD) mm. | 175 x 55 x 175 |
| Weight | 1.6 Kg. |


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