Dell Inspiron 15 (7548, Late 2014) - Manual (Page 13)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touch Pad Power Adapter Camera
Communications
Battery
Video Audio
Display
Media-Card
Reader
Keyboard
Audio
Controller Realtek ALC3234 with Waves MaxxAudio Pro
Speakers Two
Speaker output:
Average 2 W
Peak 2.5 W
Microphone Digital array‑microphones
Volume controls Media‑control shortcut keys