• Neutrik NL4MP-ST 4 Pole Chassis Connector
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Neutrik NL4MP-ST speakON 4-Pole Panel Mount Receptacle Screw Terminal

Neutrik NL4MP-ST speakON 4-Pole Panel Mount Receptacle Screw Terminal

SoundPro Item: 98447 | Part Number: NL4MP-ST

$5.19
$5.80 $5.19
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MSRP: $5.80 | MAP: $5.19

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  • Metal Insert Quick Lock System Ensures Contact Only After Full Engagement
  • Precise Keyway Prevents Mis-Mating During Repeated Connection Cycles
  • Glass-Reinforced Polyamide Shell Provides Durability in Demanding Production Environments
  • Screw Terminals Accept Heavy-Gauge Speaker Cable For Secure Field Termination
  • Standard D-Size Countersunk Flange Fits Most Existing Panel Cutouts
  • Rated For Over 5,000 Mating Cycles Supporting Long-Term Installation Reliability
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The Neutrik NL4MP-ST is a 4-pole speakON chassis receptacle designed for permanent installation in loudspeaker enclosures, amplifier rear panels, and touring audio equipment. It is the go-to choice for system integrators, touring engineers, and install technicians who need a durable, industry-standard termination point that withstands heavy production use.

The connector uses a Quick Lock metal insert in the locking zone, ensuring the mating plug makes electrical contact only after it is fully locked — eliminating the risk of intermittent connections during high-SPL or vibration-heavy environments. The precise keyway prevents mis-mating and contributes to repeatable, consistent signal paths across large installations or touring rigs with frequent connector cycling.

Glass-reinforced polyamide construction and a rated mechanical lifetime exceeding 5,000 mating cycles make the NL4MP-ST appropriate for any application where connectors are plugged and unplugged regularly. Screw terminals accept up to 4 mm² wire, accommodating the heavy-gauge cabling common in high-current loudspeaker runs. Unlike some proprietary chassis connectors, the NL4MP-ST uses a standard D-size countersunk flange with through-hole mounting, fitting existing cutouts on most professional enclosures and rack panels without modification.

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Specifications

Electrical
Contact Resistance
≤ 3 mΩ (after lifetime)
Dielectric Strength
4 kVdc (peak)
Insulation Resistance
> 1 GΩ (after dampheat)
Rated Current Per Contact (Continuous)
30 A rms
Rated Current Per Contact (Audio Signal)
40 A, duty cycle 50%
Rated Voltage
250 V ac
Construction
Contact Plating
4 µm Ag
Contacts Material
Bronze (CuSn6)
Shell Material
Polyamide (PA 6 30% GR) black
Shell
polyamide (PA 6 30 % GR) black
Environmental
Temperature Range
-30 °C to +80 °C
Flammability
UL 94 HB
Solderability
Complies with IEC 68-2-20
Identifiers
MPN
NL4MP-ST
Connection Type
speakON
Gender
Male
Pole Count
4
General
Attention
speakON is NOT to be used as an AC mains or power supply connector!
Mechanical
Lifetime
> 5000 mating cycles
Wire Size
4 mm² / 12 AWG
Wiring
Screw terminals
Locking Device
Quick Lock
Chassis Shape
D
Layout
Standard hole position, thru holes

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