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Cello & Doublebass


Cello & Doublebass

Endpin Socket




Holiday notice
Saturdays and Sundays
27 April 2024
6 May 2024

Official website



SSP × Ayaka Arai

Sinwa Sound Product

SSP × Dennis Carroll

Dealers in the U.S.


We encourage you to try for yourself the new dimension of acoustics and response that this solution offers.

SSP (Sinwa Sound Product) can confidently attest that we are equipped to offer the finest products that enhance the timbre of your instrument while greatly aiding ease of use.
SSP’s parent company is Shinwa Seikou, a third-generation Japanese precision components manufacturer. The company has supported the advanced Japanese manufacturing industry for 80+ years. Today, we produce precision components critical to human life and provide a stable supply to our customers.
Leveraging this expertise in craftsmanship and engineering, we are now poised to offer a new socket and endpin solution for the cello and double bass. It is our fervent hope that this helps performers everywhere achieve a better sound.
We developed multiple prototypes and fully tested these products at our in-house studio, and worked with pro musicians and instructors, acoustic specialists, and specialty double bass vendors to carefully research and develop components that will truly meet our customers’ expectations.
We can confidently state that this is the only socket and endpin solution of its kind that offers such thoroughgoing quality -- offering truly the finest in sound.

More information on the manufacturer's website
SSP Official website

Yamato Moritake (Vienna Radio Symphony Orchestra)

Tetsu Suzuki

Professional users

Munchner Philharmoniker
Malaysian Philharmonic Orchestra
Sendai Philharmonic Orchestra

Esko Laine
(Berliner Philharmoniker)
Naohisa Hurusawa
(Malaysian Philharmonic Orchestra)
Hiroshi Ikematsu
(Tokyo Metropolitan Symphony Orchestra)
Seiya Yoshida
(Sapporo Symphony Orchestra)
Shunsuke Yamada
(Osaka Philharmonic Orchestra)
Reo Watanabe
(former New Japan Philharmonic)
Hiroyuki Ishikawa
(Yomiuri Nippon Symphony Orchestra)
Masanori Ichikawa
(NHK Symphony Orchestra)
Moritake Yamato
(Vienna Radio Symphony Orchestra)
Daiki Yasukagawa
(Jazz bassist)
Hiroyuki Minowa
(Jazz bassist)
Satoshi Nishikawa
(Jazz bassist)
Osamu Mihara
(Jazz bassist)
Junius Paul
(Jazz bassist)

Hiroshi Kondo
(Osaka Philharmonic Orchestra)
Ichiro Hasebe
(Tokyo Metropolitan Symphony Orchestra)
Saori Shimizu
(Tokyo Metropolitan Symphony Orchestra)
Yoshito Omiya

String instrument maker
Tetsu Suzuki