4-Channel Power Amplifier with 4 Independent Power Supplies All-in-One Device

PS440 is an all-in-one acoustic performance testing device suitable for digital products such as speakers, headphones, soundboxes, and mobile phones. It integrates 4-channel power amplifiers, 4-channel ICP microphone power supplies, and impedance measurement functionality.

It is compatible with software including AP, SoundCheck, ARTA, SMARRT, and LabVIEW.

Performance Parameters：

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