VT401 - Microphone Voice Technologies - Free user manual and instructions

Product Type	Electret Condenser Microphone
Polar Pattern	Omni-Directional
Frequency Range	20 Hz - 20 kHz
Sensitivity	-46 dB ±3 dB (5 mV/Pa)
Equivalent Noise Level	30 dB A-weighted
Maximum SPL	125 dB
Impedance	4.5 kΩ (3-6 kΩ)
Power Requirement	0.8 V to 5 V DC (bias)
Capsule Dimensions	8 mm x 3.2 mm
Cable Length	1.5 m
Cable Diameter	1.0 mm
Weight	5 g
Color Options	Black, Beige (others on request)
Included Accessories	AC4 Alligator Clip, DM4 Dracula Mount, MMC4 Miniature Magnetic Clip, RBM2 Rubber Body Mount, Wsi401/403 Miniature Windscreen, WS400/700 Windscreen with acoustic cap, CAP400 Frequency Response Cap (+2 dB), VTO box
Application	Stage, Theatre, Film, Broadcast
Special Features	Ultra-miniature, lightweight, RF protected, inconspicuous placement
Maintenance	Clean with a soft, dry cloth; avoid moisture.
Safety	Low voltage device; handle with care. Keep away from water.
Spare Parts / Repairability	Contact supplier for replacement capsules, cables, or accessories.

Frequently Asked Questions - VT401 Voice Technologies

What type of microphone is the VT401?

The VT401 is an electret condenser microphone with an omnidirectional polar pattern.

Does the VT401 require phantom power?

No, it requires a bias voltage of 0.8V to 5V DC, not standard phantom power.

What is the frequency response of the VT401?

The frequency response is 20 Hz to 20 kHz.

How is the VT401 mounted?

It comes with multiple mounting options: AC4 Alligator Clip, DM4 Dracula Mount, MMC4 Miniature Magnetic Clip, and RBM2 Rubber Body Mount.

Is the VT401 waterproof?

The microphone itself is not waterproof, but it is stored in a waterproof VTO box.

Can the VT401 be used outdoors?

Yes, with the included windscreens (Wsi401/403 and WS400/700) to reduce wind noise.

What colors are available for the VT401?

Standard colors are black and beige. Other colors are available on request.

What is the cable length of the VT401?

The cable is 1.5 meters long and has a diameter of 1.0 mm.

Is the VT401 suitable for lavalier use?

Yes, its ultra-miniature size and lightweight design make it ideal for inconspicuous lavalier placement.

What accessories are included with the VT401?

The box includes: AC4 Alligator Clip, DM4 Dracula Mount, MMC4 Miniature Magnetic Clip, RBM2 Rubber Body Mount, Wsi401/403 Miniature Windscreen, WS400/700 Windscreen with acoustic cap, CAP400 Frequency Response Cap, and a VTO storage box.

USER MANUAL VT401 Voice Technologies

Close-up of a black cable with a metallic connector, isolated on white background (no text or symbols)

Ultra miniature and light.

With the VT401 Voice Technologies presents a very small and extremely lightweight RF protected electret condenser microphone. Fitted with an ultra-miniature microphone capsule, it is in most cases almost unnoticeable and easy to place.

Ideal for inconspicuous placement for performing talent in broadcast, theatre, production and film sound.

Colors: black, beige (other colors on request)

Application area: Stage - Theatre - Film - Broadcast

The Voice Technologies VT401 comes in the solid, waterproof VTO box with the following accessories:

Open safety enclosure with transparent case, blue internal compartments, and black cable (no visible text or symbols)

Open laboratory equipment kit with blue case containing medical tools and cables (no visible text or labels)

	AC4	Alligator Clip: The holder has a 30 degree angle for better presence. Thanks to the 30 degrees the holder points slightly forward instead of up.
	DM4	Dracula Mount: The holder has a 30 degree angle for better presence. Thanks to the 30 degrees the holder points slightly forward instead of up.
	MMC4	Miniature Magnetic Clip: Can be fixed either on the clothes or worn around the neck with the included nylon yarn.
	RBM2	Rubber Body Mount: Perfect tool to mount the lavalier mic absolutely invisible. Put the mic into the hole at the side until the top is in the middle of the front hole.
twed	Wsi401/403	Miniature Windscreen: A nearly invisible windscreen. Prevents from distortion air while speaking.
	WS400/700	Windscreen with acoustic cap: Perfect for light wind, for example from speech
twed	CAP400 Frequency response with cap +2dB

Specifications Wiring Configuration (2-wire):
Generating Element:	Electret Condenser
Polar Pattern:	Omni-Directional
Frequency Range: 20Hz- 20kHz
Sensitivity: -46dB ±3dB 1V/microbar (5mV/Pa)
Noise level: +30dB "A" weighted
Max. Input SPL: 125dB
Impedance: 4.5kOhm (3-6kOhm)
Bias/+VDC: 0.8V to 5V (max.)
Colors: black, beige	(other colors on request)
Size: 8x3,2mm
Cable: Length 1,5m ∅ 1,0mm
Weight: 5 g

Green Ground
Copper NF + +VDC

VT401 mounted on a tie	AC4 Alligator Clip with Wsi Miniature Wind-screen	MMC mounted on a shirt