| Equipment | Remark |
---|---|---|
1 | Precordial Chest Piece | Hull Anesthesia |
2 | Latex Rubber Tubing | From stethoscope |
3 | Mini Electret Microphone | Realistic Model 3303013 |
4 | Sound Level Calibrator, 94dB | Extech Model 407744 |
5 | Commercial Audio Amplifier with volume adjustment and meter | Â |
6 | ECG Bioamplifer | UFI Model 2122i |
7 | USB Audio Interface | EDIROL Model UA-1EX |