Sound Quality Test - Indowud NFC

FREQUENCY (Hz)	SOUND ABSORPTION CO-EFF	TRANSMISSION LOSS (dB/1.0)
125	0.02	26.19
250	0.03	22.53
500	0.04	32.85
1000	0.06	40.20
1500	0.06	44.50
2000	0.05	47.33
2500	0.05	45.61
3000	0.06	47.83
3500	0.08	46.6
4000	0.10	47.56