ST301
Product Features
- Heavy-Duty Power Rating: Handles up to 30A / 250V AC, making it suitable for high-power professional audio setups without compromising safety.
- Reliable Signal Integrity: Ultra-low contact resistance (≤ 3 mΩ) minimizes power loss and ensures clean, consistent audio transmission.
- Universal Cable Linking: Dual 4-pin loudspeaker sockets allow quick, secure joining of two speaker cables without special tools.
- Compact & Road-Ready: Small, rugged form factor (79.60 × 31.00 × 26.00 mm) fits easily into cable runs and tour cases.
- Bulk-Friendly Packaging: Individually bagged and cartoned (250 pcs/master carton) for easy distribution and inventory management.
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Details
| Product Parameters | |
| Connection type | Speaker |
| Gender | Male |
| Electrical Parameters | |
| Number of Contacts | 4 |
| Rated Current | 30A rms |
| Rated Voltage | 250V AC |
| Contact Resistance | ≤ 3 mΩ |
| Dielectric Strength | 4 KV DC |
| Insulation Resistance | > 1 GΩ |
| Mechanical Parameters | |
| Service Life | > 1000 mating cycles |
| Material and Environmental Parameters | |
| Housing | PA |
| Contacts | Cu alloy |
| Contact plating | Ag |
| Flame-retardant grade | UL 94-V0 |
| Temperature range | -30°C ~ +80°C |
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Description
The ST301 is a rugged, professional-grade speaker cable adapter engineered by Seetronic for reliable in-line linking of loudspeaker cables. Featuring a 4-pin loudspeaker socket on both ends, it allows two speaker cables to be joined securely and quickly in live sound, touring, and installation environments. Rated for 30A / 250V AC, the ST301 is built to handle demanding audio power requirements while maintaining low contact resistance and high dielectric strength for safe, consistent signal transfer. Its durable nylon housing and copper alloy silver-plated contacts ensure long service life, even under repeated mating cycles and challenging environmental conditions.
Key Features
- Dual 4-Pin Speaker Sockets: Female-to-female style adapter with a 4-pin loudspeaker socket on both ends for connecting two speaker cables in-line.
- High Current Handling: Rated at 30A rms, suitable for high-power professional audio applications.
- Low Contact Resistance: ≤ 3 mΩ ensures minimal signal loss and stable power transmission.
- High Dielectric Strength: 4KV DC withstand voltage for safe operation under demanding electrical loads.
- Excellent Insulation: > 1 GΩ insulation resistance protects against electrical leakage.
- Long Service Life: Rated for over 1,000 mating cycles, ensuring durability for frequent use.
- Compact, Rugged Design: Dimensions of 79.60 × 31.00 × 26.00 mm in a robust, road-ready housing.
Material and Environmental Specifications
- Housing Material: Constructed from PA (nylon) for lightweight strength and impact resistance.
- Contact Material: Copper alloy contacts for excellent conductivity and durability.
- Contact Plating: Silver (Ag) plated contacts for superior conductivity and corrosion resistance.
- Flame Retardancy: UL 94 V-0 rated housing material for enhanced fire safety.
- Operating Temperature Range: Performs reliably from -30°C to +80°C, suitable for both indoor and outdoor use.
Packaging and Accessories
- Individual Packaging: Each unit is packed 1 pc per bag for protection during shipping and storage.
- Bulk Packaging: 50 pcs per inner carton and 5 inner cartons per master carton, totaling 250 pcs per master carton — ideal for distributors and bulk orders.
- No Accessories Included: The ST301 ships as a standalone adapter with no additional mounting hardware or fasteners.
Assembly Instructions
- Cable Connection: Insert the male 4-pin speaker connector from each cable into the corresponding socket on either end of the ST301 adapter.
- Secure Locking: Twist or engage the locking mechanism (per standard speakON-style connectors) until firmly seated to prevent accidental disconnection.
- Orientation Check: Confirm the connector pin alignment (guided by the keyway) before mating to avoid damage to contacts.
- Environment Consideration: Ensure the adapter is used within the rated -30°C to +80°C temperature range for optimal performance and longevity.
