What are the ideal uses for this cable and adapter?

They are ideal for connecting megaphone speakers, amplifiers, and other audio equipment, especially useful for flexible sound layouts at event venues.

What is the advantage of the 10m cable?

It allows megaphone speakers to be placed up to 10m apart, enabling flexible layouts such as at both ends of a stage or front and back of a venue.

What are the benefits of gold-plated plugs?

Gold-plated plugs are resistant to aging, minimize contact failure, and transmit audio signals clearly without loss, ensuring reliable connections.

Sanwa Supply Launches Adapters for Connecting Megaphone Speakers, Converting 6.3mm Stereo Standard Plugs and 3.5mm Plugs to 6.3mm Plugs

Published Apr 1, 2026 8:00 PM ・ Updated Jun 2, 2026 1:01 PM ・ 6 min read ・ Source: PR TIMES

Sanwa Supply released a 6.3mm cable for megaphone speaker connection and a 3.5mm to 6.3mm conversion adapter.

Sanwa Supply Inc. (Headquarters: 1-10-1 Tamachi, Kita-ku, Okayama City; Representative Director and President: Kazunori Yamada) has launched the "MM-SPKB1-10N" audio cable with 6.3mm stereo standard plugs on both ends (male-to-male specification) and the "MM-SPKB2N" adapter that converts a 3.5mm stereo mini plug to a 6.3mm stereo standard plug.

These cables and adapters are ideal for connecting megaphones, amplifiers, and other audio equipment.

【Product Pages】

Product Name: 6.3mm Stereo Standard Plug (Male-to-Male) Cable (10m)

Product Number: MM-SPKB1-10N

Standard Price: 6,380 yen (5,800 yen excluding tax)

Product Page: https://www.sanwa.co.jp/product/syohin?code=MM-SPKB1-10N

Product Name: 3.5mm Stereo Mini Plug to 6.3mm Stereo Standard Plug Conversion Adapter

Product Number: MM-SPKB2N

Standard Price: 2,860 yen (2,600 yen excluding tax)

Product Page: https://www.sanwa.co.jp/product/syohin?code=MM-SPKB2N

6.3mm Stereo Standard Plug Cable "MM-SPKB1-10N" for connecting megaphone speakers

Recommended for connecting megaphones

Also supports connecting megaphone speakers.

Generous 10m long design

Megaphone speakers can be placed up to 10m apart, allowing for flexible layouts such as positioning them at both ends of a stage or dividing them between the front and back of a venue.

3.5mm to 6.3mm conversion adapter that converts mini plugs to standard plugs

Converts 3.5mm plugs to 6.3mm plugs

This adapter converts devices with 3.5mm stereo mini plugs to 6.3mm stereo standard plugs.

Also supports connecting megaphone speakers

It is possible to connect megaphone speakers with different external output jack sizes.

For example, MM-SPAMP8, MM-SPAMP4, and MM-SPAMP7 can be connected.

Gold-plated plug surface treatment

The use of gold plating, which is resistant to aging, minimizes contact failure and transmits audio signals without loss.

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【Related Pages】

Megaphones

https://www.sanwa.co.jp/product/peripheral/kakuseiki/index.html

Video/AV Cables

https://www.sanwa.co.jp/product/cable/av/index.html?pan_list=1#audio

Conversion Adapters/Cables

https://www.sanwa.co.jp/product/input/headset/adapter.html

Sanwa Supply Official Site "Sanwa Direct" Product Pages

https://direct.sanwa.co.jp/ItemPage/MM-SPKB1-10N

https://direct.sanwa.co.jp/ItemPage/MM-SPKB2N

Sanwa Supply WEB Site

https://www.sanwa.co.jp/

Sanwa Supply Instagram

https://www.instagram.com/sanwasupply_official/

Sanwa Supply X

https://twitter.com/sanwainfo

Sanwa Supply Facebook

https://fb.me/SanwaSupplyJP

YouTube Official Channel

http://sanwa.jp/youtube

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FACT BOX

Source: PR TIMES
Category: News

Sanwa Supply Launches Adapters for Connecting Megaphone Speakers, Converting 6.3mm Stereo Standard Plugs and 3.5mm Plugs to 6.3mm Plugs

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