ACOUSTIC SOLUTIONS THE SINGING MACHINE SMM-107 Manuel D'instruction page 5

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Specifications
TYPE
POWER SOURCE
MICROPHONE DIMENSION
RECEIVER DIMENSION
-74 dB 600 OHMS IMPENDANCE
UNI-DIRECTIONAL DYNAMIC
MICROPHONE
9V Batteries x 2 (Not included)
24.0 x 5.0 x 5.0 cm
9.4 x 2.0 x 2.0 Inches
7.2 x 9.9 x 2.6 cm
2.8 x 3.9 x 1.0 Inches
E4