YK SMT-1 Ceiling-mounted Indoor Sound Collection Microphone

Manufacturer: YK Wireless Co., Ltd.
Model: SMT-1

Feature

Balanced/unbalanced output switchable. Balanced output allows long distance wiring of approximately 100m
(a balanced transformer unit (TU-600) may be required on the input device side).
Equipped with a tamper output that is effective against tampering
Separate main body and base for easy installation and maintenance
Terminal type for convenient wiring
White color that easily matches your interior
Indoor ceiling mount type

Specifications

Product name	Sound collection microphone
Part number	SMT-1
Power supply voltage	DC8 to 30V (with polarity)
Current consumption	15mA or less
Output Conditions	Maximum wiring length (balanced: 100 m, unbalanced: 20 m) Load impedance: 600 Ω Balanced: twisted shielded wire Unbalanced: shielded wire, twisted shielded wire *Depending on the installation environment, the maximum wiring length may not be met due to noise interference.
output	① Microphone setting: -60dBV ±10dB (variable with volume) ② Line setting: -30dBV ±10dB (variable with volume)
Tamper Output	Non-voltage contact (b contact) AC/DC24V・0.25A (resistance load)
Ambient temperature	-10℃～+50℃
Installation location	indoor
Wiring Connection	Terminal type (M3 self-up terminal)
mass	Approx. 115g
exterior	Body: ABS resin (white) Cover: PE resin (white)
What’s in the box	SMT-1 body Tapping screw: 4 x 20 2 pieces Instruction manual

Note

In order to improve quality, product specifications may change without notice.

Accessories

Below is a list of the main accessory categories that are compatible with this product. If you need any accessories, please purchase them separately.

Compatible accessories	explanation
cable	This product does not come with a wiring cable. If you need a wiring cable, please purchase it separately. If you have any questions about the cable, please feel free to contact us.
DC12V-1A adapter	This product does not come with a power supply. If you need constant power, please purchase a DC12V-1A switching AC adapter separately.
connector	If a conversion connector is required for connection, please purchase it separately.
TU-600	When wiring over 20m, please use it in combination with the separate balancing transformer unit [TU-600]. When combined, long distance wiring up to 100m is possible.

In addition to the accessories listed above, we also carry a variety of other peripherals and accessories. Please also take a look at the [Peripherals and Accessories] category.