---
product_id: 305036568
title: "4Pcs 3-Inch Speaker Box Terminal Cup DIY 2-Way Speaker Box Terminal Binding Post Round Spring Cup Connector"
brand: "arroyner"
price: "$46.30"
currency: USD
in_stock: true
reviews_count: 5
category: "Arroyner"
url: https://www.desertcart.us/products/305036568-4pcs-3-inch-speaker-box-terminal-cup-diy-2-way
store_origin: US
region: United States of America
---

# Quick disconnect connectors for hassle-free wiring 3-inch diameter for universal fit Gold-plated copper for superior conductivity 4Pcs 3-Inch Speaker Box Terminal Cup DIY 2-Way Speaker Box Terminal Binding Post Round Spring Cup Connector

**Brand:** arroyner
**Price:** $46.30
**Availability:** ✅ In Stock

## Summary

> 🔊 Plug into perfection—upgrade your sound setup with zero fuss!

## Quick Answers

- **What is this?** 4Pcs 3-Inch Speaker Box Terminal Cup DIY 2-Way Speaker Box Terminal Binding Post Round Spring Cup Connector by arroyner
- **How much does it cost?** $46.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/305036568-4pcs-3-inch-speaker-box-terminal-cup-diy-2-way)

## Best For

- arroyner enthusiasts

## Why This Product

- Trusted arroyner brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless DIY Upgrade:** Quick disconnect terminals with clear polarity markers make installation a breeze—no electrician needed.
- • **Universal Compatibility:** 3-inch diameter and standard screw hole spacing fit most 2-way speaker boxes seamlessly.
- • **Premium Signal Integrity:** Gold-plated copper contacts ensure crystal-clear audio with zero signal loss, elevating your sound experience.
- • **Durable Build for Longevity:** Robust plastic housing combined with metal components guarantees lasting performance under daily use.
- • **Trusted Support & Reliability:** Backed by responsive after-sales service and a 4.2-star rating from over 1,000 satisfied audiophiles.

## Overview

This 4-piece set of 3-inch speaker box terminal cups features durable plastic and gold-plated copper construction for optimal conductivity and longevity. Designed for easy DIY installation, the quick disconnect connectors with red/black polarity indicators ensure flawless wiring. Compatible with most 2-way speaker boxes, these terminals deliver reliable, high-quality audio connections backed by solid customer satisfaction and responsive support.

## Description

4Pcs 3-Inch Speaker Box Terminal Cup DIY 2-Way Speaker Box Terminal Binding Post Round Spring Cup Connector Feature: 1. Speaker box terminal cup made of durable plastic, copper and gold-plated metal. 2. Rear connections use quick disconnect connectors, positive (Red) and negative (Black) indicators to ensure proper wiring. 3. If you have any questions, please contact us timely and we will give you a satisfied solution.Specifications: ●Material: durable plastic, copper and gold-plated metal ●Packing: 4pcs speaker box double loaded jacks binding post terminal cup ●Size: Exterior diameter: 3"(75mm); Wall screw hole distance: 1.77"(44mm) We also provide after sales service with our customers, if you have any problem, please contact us.

Review: These circular speaker wire connectors are exactly what I needed to improve my sound system setup! They make connecting speaker wires so much easier and more secure, giving me a flawless, high-quality connection every time. The design is compact and durable, and they fit perfectly with my existing wires and speakers. Installation was a breeze—just slide the wire in, and you're good to go. The connectors also ensure no signal loss, so my audio quality is crystal clear. If you're looking to streamline your home audio setup, these connectors are a must-have. Couldn't be happier with the purchase!
Review: Quality is good.

## Features

- Material: Speaker box terminal cup made of durable plastic, copper and gold-plated metal.
- Packing: Included 4pcs speaker box double loaded jacks binding post terminal cup.
- Size: Exterior diameter 3"(75mm); Wall screw hole distance 1.77"(44mm).
- Easy use: Rear connections use quick disconnect connectors, positive (Red) and negative (Black) indicators to ensure proper wiring.
- After Sales Service: We also provide after sales service with our customers, if you have any problem, please contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0821M39CP |
| Brand Name | Arroyner |
| Color | Black |
| Connector Type | Screw |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,006) |
| Manufacturer | Arroyner |
| Material Type | Copper, Metal, Plastic |
| Mounting Type | Wall Mount |
| Number Of Contacts | 4 |
| Number Of Poles | 4 |
| Number of Positions | 4 |
| UPC | 763032149597 |

## Product Details

- **Colour:** Black
- **Connector type:** Screw
- **Material:** Copper, Metal, Plastic
- **Mounting type:** Wall Mount
- **Number of contacts:** 4

## Images

![4Pcs 3-Inch Speaker Box Terminal Cup DIY 2-Way Speaker Box Terminal Binding Post Round Spring Cup Connector - Image 1](https://m.media-amazon.com/images/I/71s5f9HRkfL.jpg)

## Questions & Answers

**Q: Will banana plugs fit in the hole on the top? Please don’t say “you can use the wire directly” like you’ve done twice. That is not what the question**
A: I measure the hole at the top as 5/32" or 3.9 ish mm. That should work with most banana plugs but I don't personally use them with my speakers. The hole is more than deep enough also as it run from the top to the bottom of bare wire hole.

**Q: Will these posts accept a banana plug?**
A: It’s a yes or no question. Why do you refuse to answer the question? People who use banana connectors do NOT want to wire directly. Just say “no” if that’s the answer.

**Q: Will banana plugs fit in these?**
A: These are standard cups. You can use wire directly, lugs, or banana plugs. You have to realize the seller is some Chinese guys who doesn't speak English.

**Q: This discription and picture are trash... why is the diameter of the cut out needed not listed? Its more important that screw spacing!!**
A: It looks like it is listed it’s a three inch diameter 
I used them to replace the old Spring loaded 
Connection ,screw holes not a problem

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by C***S on 22 September 2024*

These circular speaker wire connectors are exactly what I needed to improve my sound system setup! They make connecting speaker wires so much easier and more secure, giving me a flawless, high-quality connection every time. The design is compact and durable, and they fit perfectly with my existing wires and speakers. Installation was a breeze—just slide the wire in, and you're good to go. The connectors also ensure no signal loss, so my audio quality is crystal clear. If you're looking to streamline your home audio setup, these connectors are a must-have. Couldn't be happier with the purchase!

### ⭐⭐⭐⭐⭐ Review
*by N***L on 5 January 2026*

Quality is good.

### ⭐⭐⭐⭐ Review
*by K***K on 29 April 2023*

Great value, and they work. Easy install. Two issues. One, the terminals are super thin. Be careful when installing the spade connectors. Two, plan on buying the banana connectors if you intend to disconnect/connect often. It's a PITA to tighten the lugs due to the size and angle of the hand nuts.

## Frequently Bought Together

- Arroyner 5Pcs 3-Inch Speaker Box Terminal Cup DIY 2-Way Speaker Box Terminal Binding Post Round Spring Cup Connector
- Twidec/360Pcs 2.8/4.8/6.3mm Quick Splice Male and Female Wire Spade Connector Crimp Terminal Block Assortment Kit Golden with Insulating Sleeve for Electrical Wiring Car Audio Speaker N-002
- 16 AWG Gauge Speaker Wire Cable Stereo, Car or Home Theater, CCA (100 Feet) by Install Link

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/305036568-4pcs-3-inch-speaker-box-terminal-cup-diy-2-way](https://www.desertcart.us/products/305036568-4pcs-3-inch-speaker-box-terminal-cup-diy-2-way)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-07*