---
product_id: 275072149
title: "Molten RA0040-KS Japan Basketball Referee Whistle Blazza Basket Pro Set"
brand: "molten"
price: "¥19612"
currency: JPY
in_stock: true
category: "Molten"
url: https://www.desertcart.jp/products/275072149-molten-ra0040-ks-japan-basketball-referee-whistle-blazza-basket-pro
store_origin: JP
region: Japan
---

# Official B.LEAGUE & W LEAGUE gear Loud, crisp sound clarity Titanium mouthpiece durability Molten RA0040-KS Japan Basketball Referee Whistle Blazza Basket Pro Set

**Brand:** molten
**Price:** ¥19612
**Availability:** ✅ In Stock

## Summary

> 🏀 Blow the whistle on mediocrity with Molten’s pro-grade sound!

## Quick Answers

- **What is this?** Molten RA0040-KS Japan Basketball Referee Whistle Blazza Basket Pro Set by molten
- **How much does it cost?** ¥19612 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/275072149-molten-ra0040-ks-japan-basketball-referee-whistle-blazza-basket-pro)

## Best For

- molten enthusiasts

## Why This Product

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

## Key Features

- • **Arena-Ready Loudness:** Cut through the noise with a whistle designed for packed stadiums.
- • **Sleek, Lightweight Design:** Carry confidence with a 100g ABS resin and stainless steel build that won’t weigh you down.
- • **Titanium-Tough Mouthpiece:** Experience unmatched durability wrapped in soft, elastic plastic for comfort.
- • **Pro-Approved Official Gear:** Trusted by B.LEAGUE and W LEAGUE referees for top-tier performance.
- • **Silicone Neck Strap Included:** Stay game-ready with a flexible, comfortable strap that keeps your whistle close.

## Overview

The Molten RA0040-KS Blazza Basket Pro Set is a professional-grade basketball referee whistle crafted in Japan, featuring a titanium mouthpiece for durability, a loud and crisp sound optimized for arena use, and official certification by B.LEAGUE and W LEAGUE. Lightweight and ergonomically designed with a flexible silicone neck strap, it’s the trusted choice for referees demanding precision and reliability.

## Description

The best whistle for basketball; The loud volume of this product reacts to the famous arena; The strong rise, thick and crisp treble. The soft yet does not bite or crack. Titanium mouthpiece wrapped in elastic plastic. Comes with a flexible silicone neck strap. B.LEAGUE, W LEAGUE official equipment.

## Features

- Brand: Molten
- Made in Japan
- Sleek design
- Packed with features

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004MUZPFE |
| Age Range Description | Kid |
| Ball Type | Basketball |
| Best Sellers Rank | #70,599 in Sporting Goods ( See Top 100 in Sporting Goods ) #195 in Coach & Referee Whistles |
| Brand Name | Molten |
| Color | black |
| Construction Type | ABS resin, stainless steel elastomer, and titanium construction |
| Core Material | ABS resin, stainless steel elastomer, titanium |
| Customer Reviews | 4.6 4.6 out of 5 stars (200) |
| Global Trade Identification Number | 04905741809676 |
| Included Components | No |
| Item Diameter | 19 Millimeters |
| Item Type Name | Whistle |
| Item Weight | 0.22 Pounds |
| League Name | B.LEAGUE, W LEAGUE |
| Manufacturer | モルテン(molten) |
| Manufacturer Part Number | RA0040-KS |
| Material Type | ABS resin, Stainless Steel, Titanium |
| Model Number | RA0040-KS |
| Number of Items | 1 |
| Number of Packs | 1 |
| Size | _ |
| Sport Type | Basketball |
| Unit Count | 1.0 Count |

## Product Details

- **Age range (description):** Kid
- **Brand:** Molten
- **Colour:** black
- **Item weight:** 100 g
- **Material:** ABS resin, Stainless Steel, Titanium

## Images

![Molten RA0040-KS Japan Basketball Referee Whistle Blazza Basket Pro Set - Image 1](https://m.media-amazon.com/images/I/71cX-5hBTCL.jpg)

## Frequently Bought Together

- Molten RA0040-KS Basketball Referee Whistle Brazza Basketball Pro Set
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**Shop now:** [https://www.desertcart.jp/products/275072149-molten-ra0040-ks-japan-basketball-referee-whistle-blazza-basket-pro](https://www.desertcart.jp/products/275072149-molten-ra0040-ks-japan-basketball-referee-whistle-blazza-basket-pro)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-13*