Product Description
The Neutrik NL4MP-UC is a professional-grade 4-pole SpeakON® chassis connector designed for loudspeaker and amplifier interconnections in demanding audio applications. Featuring Neutrik's proven locking system and industry-standard D-size flange design, this connector provides a secure, reliable connection for professional PA systems, speaker cabinets, amplifiers, and installation audio systems.
Designed to handle up to 40A RMS continuous current and 50A audio signal current, the NL4MP-UC delivers exceptional performance and durability in high-power sound reinforcement environments. Its robust construction, silver-plated contacts, and secure locking mechanism ensure dependable operation even under heavy touring and installation conditions.
The connector utilizes convenient 0.250" FASTON terminals for simple installation and maintenance while remaining fully compatible with standard NL4 SpeakON cable connectors.
Features
- Genuine Neutrik 4-pole SpeakON chassis connector
- Industry-standard D-size mounting flange
- Secure metal locking system
- Rated for high-current speaker applications
- FASTON 0.250" quick-connect terminals
- Silver-plated contacts for reliable conductivity
- Rugged thermoplastic housing
- Suitable for speaker cabinets and amplifier panels
- Compatible with standard NL4 SpeakON cable connectors
- Designed for professional touring and installation use
- Long service life with up to 5,000 mating cycles
Electrical Specifications
| Specification | Value |
|---|---|
| Connector Type | 4-Pole SpeakON Chassis Connector |
| Rated Current (Continuous) | 40A RMS |
| Rated Audio Signal Current | 50A (50% Duty Cycle) |
| Rated Voltage | 250 VAC |
| Dielectric Strength | 4kV Peak |
| Contact Resistance | ≤ 3 mΩ |
| Initial Insulation Resistance | > 2 GΩ |
| After Damp Heat Test | > 1 GΩ |
| Inrush/Outrush Current Capability | 300A / 30A / 200ms |
Mechanical Specifications
- Chassis Mount Connector
- D-Size Flange Format
- 0.250" x 0.03" (6.3 mm x 0.8 mm) FASTON Terminals
- Solderability Complies with IEC 68-2-20
- Secure Twist-Lock Connection System
Material Specifications
| Component | Material |
|---|---|
| Female Contacts | CuZn39Pb3 |
| Male Contacts | CuSn8, 4µm Silver Plated |
| Housing | PA6, 30% Glass Reinforced |
| Metal Insert | Ck67 Steel |
Environmental
- Operating Temperature: -30°C to +80°C (-22°F to +176°F)
- Flammability Rating: UL94HB
Common Wiring Configurations
Stereo (Hi-Fi)
- Left Channel: Pins 1+ / 1-
- Right Channel: Pins 2+ / 2-
Standard PA System
- Left Channel: Pins 1+ / 1-
- Right Channel: Pins 1+ / 1- on separate connector
Bridged Mono
- Positive: Pin 1+
- Negative: Pin 2+
Bi-Amp Operation
- Low Frequency: Pins 1+ / 1-
- High Frequency: Pins 2+ / 2-
Typical Applications
- Speaker Cabinet Construction
- Loudspeaker Repairs
- Professional PA Systems
- Touring Sound Systems
- Amplifier Output Panels
- Bi-Amplified Speaker Systems
- Installed Sound Systems
- Custom Speaker Enclosures
- Stage Monitoring Systems
Specifications Summary
- Product: 4-Pole SpeakON Chassis Connector
- Model: NL4MP-UC
- Mounting Type: Chassis Mount
- Flange Type: D-Size Round Flange
- Termination: FASTON Tabs
- Current Rating: 40A RMS Continuous
- Voltage Rating: 250 VAC
- Temperature Range: -30°C to +80°C
- Contact Plating: Silver
- Color: Black
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