四功放四电源一体机

PS440是一款适用于喇叭，耳机，音箱，手机等数码产品的声学特性测试一体机，集成4路功率放大器，4路ICP麦克风电源及阻抗功能。
兼容配合AP 、 SoundCheck、ARTA 、SMARRT和LabVIEW等。

性能参数：

8 Ohm Power.................................. ............. ..................... ...............10W 
4 Ohm Power................ ............... .......... ........ .............. .................20W
Frequency Response (+0, –0.2 dB, @1V).... ........ ............. ............... 20 Hz—20 kHz
Power Bandwidth (+0, –0.2 dB) ............... ........... …..... .............. 20 Hz—100 kHz
THD+N ............... ............... ......................... ......... ......................... <0.01%
Damping Factor ............... ............... .............................................. >200
Slew Rate ............................ ... ............. ......... ....... ......................... 30V/microsecond
Input Sensitivity ............... ....... .......................... .......................... 1V (0 dBV)
Standard Voltage Gain ............... ...... ......... ................................ 20dB
Input impedance (Unbalanced) ............... ..... ..... ....... ...... ..... 10k Ohms
Idle power consumption ............... ......……........……………............ 6W
Class ............... ............... ............... ........ ........ .................................. A B
Input Connectors ......................... ...................................................BNC