4 Inch Two Way Wall Mount Speaker(2.5W-5W-10W-20W)

4 Inch Two Way Wall Mount Speaker(2.5W-5W-10W-20W)



The NV-PASP-WSP-P278 is a wall mount speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distances and allows easy parallel connection of multiple loudspeakers.

The built-in 4”+1.5” two ways speaker driver is designed of wide frequency response 130-14kHz, the multiple power taps 2.5W, 5W, 10W & 20W are helpful for different applications varies from room size and ambient noise surroundings.

The metal grille, ABS enclosure, and stainless mounting bracket are of black color. Easy and secure wall mount installation through the supplied mounting bracket.

It is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.


  • Built-in 100v/70v transformer
  • Wall mount type loudspeaker
  • 4” +1.5” two ways speaker unit
  • Power taps 2.5w-5w-10w-20w @100V plus 8ohm
  • Metal grille, ABS enclosure and stainless mounting bracket




Model NV-PASP-WSP-P278
Power Taps @100V 2.5W, 5W, 10W, 20W
Power Taps @70V 1.25W, 2.5W, 5W, 10W, 20W
Transformer Impedance 4KΩ/2KΩ/1KΩ/500Ω/245Ω
Input 70V/100V/8Ω
SPL(1W/1M) 86dB
Max. SPL (Rated W/1M) 99dB
Frequency Response (-10dB) 130-18KHz
Finish Baffle: ABS, Black/White  Grille: Steel, Black/White
Speaker Driver 4″ x 1    1.5″ x1
Dimensions 222 x 160 x160mm
Weight 2.3kg
Mounting With mounting bracket fixed by screw