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Lectrosonics Long Ranger 4 - Wireless Integrated Public Address Speaker and Microphone System (Basic System)

Lectrosonics Long Ranger 4 - Wireless Speaker and Microphone System


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The Lectrosonics Long Ranger 4 (LR4) is a portable public address speaker and wireless microphone system designed to address the needs of public speakers, presenters and crowd control applications indoors and in the field. This LR4 basic system consists of the main loudspeaker / amplifier and receiver unit, with the M175 VHF belt-pack transmitter and HM142 VMC adjustable head-worn microphone.

The LR4 amplifier produces a full 33 watts RMS with low distortion into the 8 Ohm speaker. The powerful amplifier drives an efficient loudspeaker horn that is capable of enough audio output to cover an area the size of a football field. A built-in VHF receiver and an included belt-pack transmitter result in efficient wireless transmission of up to 750-feet.

The main unit features a microphone volume control and separate line input with volume control for CD players and line devices. An optional add-on receiver mounts onto the rear of the unit for dual wireless microphone operation on a single speaker system.

The LR4 main units can be linked for even further power and range. The main unit is powered with a single 12 volt, 7.2 amp-hour rechargeable gel-cell battery, while the transmitter is powered with a 9 volt alkaline or lithium battery. The Long Ranger 4 is a small yet powerful tool for film and video directors, public safety instruction, marching band rehearsal, traveling ministries, traveling presentations and more.

Portable Microphone and Speaker System
The Long Ranger 4 combines a powerful, battery operated amplifier/speaker and wireless transmitter unit with a VHF beltpack receiver and head-worn microphone for a powerful, portable public address system.
Powerful Internal Amplifier and Speaker
The internal amplifier and loud speaker produce 33 watts RMS. The combination is capable of enough audio output to cover an area the size of a football field.
Head-worn Microphone
The included HM142 VMC head-worn microphone is lightweight and provides completely hands-free operation.
Auxiliary Input Connections
An auxiliary input connection is provided for line level devices such as CD players, etc.
Optional Dual Microphone Operation
A second transmitter may be added and mounted to the rear of the LR4 for dual, simultaneous microphone operation.
Maximum Amplifier Power 33W RMS, into 9 ohm
Connections Audio Outputs:
1/4" Phone for external 8 ohm speakers x2
Sound System Inputs:
1/4" Phone for dynamic microphones
1/8" (3.5mm) Mini input for add-on receiver
RCA Phono I/O for connecting multiple Long Rangers
Operating Frequency VHF 169 - 172MHz
Range Up to 750'
SPL Over 120dB @ 1 m
Signal to Noise Ratio 96dB, A weighted
Power Requirements Single 12V, 7.2 Ah rechargeable gel-cell battery
Dimensions (HxWxD) 15 x 6 x 9" (38.1 x 15.24 x 22.86cm)
Weight 16 lbs 13 oz (7.66kg)
Type of Transmitter M-175 VHF Beltpack
Type of Input Connector Locking Micro
Type of Microphone HM-142 VMC Head-worn
Polar Pattern 120° H, 90° V
Interchangable Mic Heads Lectrosonics Micro connector compatible
Battery Type/Approx. Life 9V alkaline - 12 to 15 hours
Mute Switch Yes
Level Control Recessed audio gain control
Antenna Type Input cord or microphone
Display No display
Dimensions (HxWxD) 3.3 x 2.3 x 1.1" (8.4 x 5.85 x 2.79cm)
Weight 6.3 oz (178.6g) with battery
Lectrosonics Long Ranger 4 - Wireless Integrated Public Address Speaker and Microphone System (Basic System)
  • LR4 Main Unit with Speaker
  • M175 Beltpack Transmitter
  • HM142 VMC Head-Worn Microphone
  • Battery Charger
  • 1 Year Warranty
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