Absolute USA
Absolute USA RST-450 4-Inch Round Gold Push Spring Loaded Jacks
Pickup available at 1800 E Washington Blvd
Usually ready in 24 hours
Have Questions?
- Tel: +1 213 744 11 44
- Tel: +1 800 674 27 24
Brand: Absolute USA
Description
Absolute USA RST-450 4" Round Speaker Box Terminal Cup – Gold-Finish Dual Binding Posts, Banana Plug Compatible, Red/Black Connectors
The Absolute USA RST-450 is a 4-inch round speaker terminal cup designed for custom speaker cabinets, subwoofer enclosures, replacement terminal panels, and DIY audio projects.
Featuring dual red and black binding posts, banana plug compatibility, gold-finish terminal hardware, and rear spade-style connections, the RST-450 provides a convenient connection point between external speaker cables and internal enclosure wiring.
Key Features
🔌 4" ROUND SPEAKER TERMINAL CUP – Designed for compatible speaker cabinets, subwoofer boxes, and custom audio enclosures.
🍌 BANANA PLUG COMPATIBLE – Accepts compatible banana plugs for convenient external speaker connections.
🔴⚫ COLOR-CODED CONNECTIONS – Red positive and black negative terminals help simplify proper speaker wiring.
✨ GOLD-FINISH BINDING POSTS – Gold-colored terminal hardware provides a clean, professional appearance.
🔊 IDEAL FOR CUSTOM SPEAKER BOXES – Suitable for subwoofer enclosures, PA cabinets, home audio speakers, and DIY speaker projects.
🧰 REAR SPADE CONNECTIONS – Rear terminals are designed for compatible spade-style connectors used for internal speaker wiring.
⚙️ DUAL BINDING POST DESIGN – Provides separate positive and negative connections for standard speaker-level wiring.
🛠️ DURABLE PLASTIC HOUSING – Lightweight plastic terminal cup construction is designed for enclosure mounting applications.
General Features
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4" round speaker box terminal cup
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Dual binding post configuration
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Banana plug compatible
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Red positive terminal
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Black negative terminal
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Gold-finish terminal hardware
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Rear spade-style connections
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Plastic housing
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Designed for custom speaker applications
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Suitable for subwoofer boxes
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Suitable for PA speaker cabinets
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Suitable for home audio speakers
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Suitable for replacement terminal applications
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Suitable for DIY audio projects
Specifications
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Brand: Absolute USA
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Model: RST-450
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Product Type: Speaker Box Terminal Cup
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Shape: Round
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Nominal Size: 4"
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Terminal Type: Dual Binding Posts
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External Connection: Banana Plug Compatible
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Positive Terminal: Red
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Negative Terminal: Black
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Rear Connection: Spade Style
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Housing Material: Plastic
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Terminal Finish: Gold Color
Ideal Applications
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Subwoofer enclosures
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Custom speaker boxes
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PA speaker cabinets
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Home audio speakers
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Car audio enclosures
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Replacement terminal panels
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DIY speaker projects
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Speaker restoration projects
Package Includes
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Absolute USA RST-450 4" Round Speaker Box Terminal Cup
Important Installation Note
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Verify the mounting-hole diameter, enclosure cutout, screw-hole spacing, and cabinet thickness before installation.
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Confirm that the rear spade terminals match the internal speaker wiring connectors being used.
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A nominal 4-inch terminal cup size does not guarantee fitment with every speaker enclosure.
Product Quantity Note
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The supplied title describes one RST-450 terminal cup, while the source package information states “2x junction box.”
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The package quantity should be confirmed before publishing the listing.
California Proposition 65 Warning
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.
Shipping & Returns
Shipping Policy
Absolute Pro Music is proud to offer fast shipping at affordable prices. The shipping fee for each order is based on the package weight, destination, and shipping method. For the most accurate shipping information, use the "Get shipping quote" link on the product pages or in your shopping cart.
Shipping Methods and Transit Times
Absolute Pro Music ships orders from our Los Angeles, California location. On occasion, orders will be fulfilled directly by the manufacturer or distributor in order to reduce the shipping time. The shipping times below refer to items labeled with an availability of In Stock - Ships the Same or Next Business Day.
| Shipping Method | Order Processing Time | Delivery Time | Total Ship Time |
|---|---|---|---|
| Standard Shipping | 1-24 Hours | 1-6 Business Days | 2-7 Business Days |
| Three-Day Shipping | 1-24 Hours | 3 Business Days | 3-4 Business Days |
| Two-Day Shipping | 1-24 Hours | 2 Business Days | 2-3 Business Days |
| One-Day Shipping | 1-24 Hours | 1 Business Day | 1-2 Business Days |
| Flat Rate Shipping | 1-24 Hours | 7-10 Business Days | 8-11 Business Days |
United States Customers:
The shipping methods listed above are for residential and commercial destinations within the continental 48 United States. Absolute Pro Music primarily uses FedEx to ship orders. To provide the most affordable rates, small items shipped via Standard Flat Rate or USPS First Class Mail will be delivered through a joint effort by DHL and USPS. Shipments to military addresses and PO Boxes will only ship via USPS. When shipping to a military APO/FPO/DPO address, we strongly recommend choosing USPS Priority as the shipping time is much quicker than Parcel and averages about 2-3 weeks.
Canadian Customers: We offer all-inclusive shipping to our Canadian customers. (click here for details)
International Customers: We ship to most countries around the world. (click here for details)
Order Tracking
Once an order has been shipped, we send our customers an email with the tracking number for the order. Click on the tracking link in the email to follow the location of the package on the carrier's website. If you did not receive a tracking number by email or need to confirm the tracking information, please contact us at support@absolutepromusic.com or call us at +1 213 744 1144
Order Processing
Each order placed on Absolute Pro Music goes through our processing department before it can be shipped. If 3 business days have passed since you submitted payment and you have not received an email with tracking information, please log in to your account to track your orders and/or contact us immediately via email or phone. Customers who do not receive a tracking number within 3 days will receive an order status update via email.
Shipping to Alternate Address
Orders with different billing and shipping addresses may require longer processing times due to an additional verification procedure. The additional verification and processing time are in an effort to protect our customers from online fraud.
Shipping Changes Fees (Address Intercept)
If a request to change the shipping address is made after the package leaves the Absolute Pro Music warehouse, it is subject to an Address Intercept Fee imposed by the shipping carrier. The amount of the fee varies according to the shipping carrier and the destination of the package. Absolute Pro Music will do its best to work with the shipping carriers to make these changes so that your package arrives at the correct address. Please be aware that not all shipping carriers will accept address intercept changes. This policy is in accordance with the security measures and agreements made with our third-party shipping companies.
Signature Required
Due to the valuable contents of some shipments, Absolute Pro Music may require a signature upon delivery. Such guidelines will not be overruled upon the customer's request. Please understand that this is a security measure taken by our Company to ensure the safe delivery of each package and guarantee excellent service. Many of our third-party shipping carriers and payment companies require signatures upon delivery to protect against fraud and theft. Customers may request a signature upon delivery by calling Absolute Pro Music Customer Service at +1 213 744 1144
Shipping Policy Disclaimer
Delivery estimates do not apply to items shipped directly from the manufacturer, nor out-of-stock items. Some items that ship from the manufacturer can only be delivered to addresses within the 48 continental states.
Standard delivery time for domestic customers will average from 2-4 business days but can take longer in some cases. Saturday, Sunday and national holidays are not considered business days for delivery purposes.
Our Shipping Guarantee applies only to shipments delayed due to our service failure. We will not guarantee shipments that are delayed due to an act of god (ex: weather), a catastrophic event, or failure by our delivery partners. Our guarantee is also voided if incorrect billing or shipping information is given and results in your order being delayed to its destination. Our guarantee is also void if no one is available to sign for shipment when delivery attempt is made if a signature is required.
