Overview speakON Connectors
Product Guide - Section Loudspeaker Connectors
speakON Flange and Fastening Layout
speakON Wiring Suggestion
Drawing NL4MPR

4 pole chassis connector, black round G-size flange, countersunk thru holes, 3/16" flat tabs

The speakON panel mount connectors are the standard chassis connectors for loudspeaker / amplifier interconnections. They feature a unique metal locking system, making contact only once fully locked. The speakON receptacles are robust, versatile and easy to terminate.

Features & Benefits:
Current rating 30 A rms
Glass reinforced materials make it extremely robust and dependable
Precise keyway for secure mating
Accurate twist lock latching system
Metal insert in locking area
Airtight design - optimized for speaker applications

Technical Information:
Product
Title: NL4MPR
Connection Type: speakON
Gender: male

Electrical
Contact resistance: ≤ 3 mΩ (after lifetime)
Dielectric strength: 4 kVdc (peak)
Insulation resistance: > 1 GΩ (after dampheat)
Rated current per contact: 30 A rms continuous
Rated current per contact: 40 A audiosignal, duty cycle 50 %
Rated voltage: 250 V (Insulation)

AttentionspeakON is NOT to be used as an AC mains or power supply connector!

Mechanical
Lifetime: > 5000 mating cycles
Locking device: Quick Lock
Chassis shape: round G-size flange
Layout: four thru holes

Material
Contact plating: 4 µm Ag
Contacts: Bronze (CuSn6)
Shell: Polyamide (PA 6 30 % GR) black

Environmental
Flammability: UL 94 HB
Solderability: Complies with IEC 68-2-20
Temperature range: -30 °C to +80 °C

Additional Model #'s
74-NL4MPR
NL4MPR