MASTER | RITM

Characteristics	MASTER-68	MASTER-46	MASTER-44
Maximum sound amplification range, dB	40-70	40-70	40-70
OSPL90 value, dB	105-135	105-135	105-135
Battery size	13	13	13
Number of digital channels for signal processing	8	6	4
Number of available listening programs	6	4	4
Indicator for switching listening programs	+	+	+
Low battery indicator	+	+	+
Telecoil	+	+	+
Adaptive directional microphones	+	+	+
Adaptive function of sound feedback cancellation	+	+	+
WDRC (wide dynamic range compression)	+	+	+
Low frequency noise control	+	+	+
Tinnitus-masker technology	+	-	-
Audiogram input	+	-	-
Adaptive multi-acoustic program	+	-	-
Automatic Telecoil program	+	+	+
Data recording	+	-	-
Adaptive noise reduction system	+	+	+

There are contraindications, it is necessary to consult a specialist