Acer Aspire E1-521 Acer Aspire E1-521 Notebook Service Guide - Page 28

Bluetooth Interface (N/A) Item Chipset Data throughput Protocol Interface Connector type Supported protocol Specification Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Resolution Compatibility Sampling rate Internal microphone Internal speaker/quantity Specification Realtek 271X-VB6-CG On board Stereo Support 16/20/24bit PCM HD audio interface Sample rate up to 192Khz resolution VSR (Variable Sampling Rate) Yes (Single Analogue MIC) Yes (2W speakers x2) 1-21 Hardware Specifications and Configurations