Notation based on the Specified Commercial Transactions Law

Sales business name

Build Amplifier Co., Ltd.

main office780-0833Minami Harimaya Town, Kochi City1-16-17

TEL 088-882-3938

Address of sales operator

780-0833 1-16-17 Minami Harimaya-cho, Kochi City, Kochi Prefecture 

TEL 088-882-3938


Operation manager name

Kitamura Daiichi


email address

・ E -mail address: hours: Weekdays 10Time-17TimeClosed on weekends and holidays 


Please refer to each product page as the selling price is displayed for each product.

Required fees other than the product price

· consumption taxIs included in the price. (10%)

· postage* All of our burden will be delivered by "Yu -Packet" and "Sagawa Express".

payment method

· Credit settlement

The following cards are available.

Visa, Master Card, American Express,Jcb

Note: Cards other than the name of the person (including maiden name, etc.) cannot be used.

[Number of payments]1Payment

・ Amazon Pay

AmazonCredit card information registered in is available.
It depends on the closing date of the registered credit card and the contents of the contract.
Please contact your card company.

ProductDelivery time

・ Credit card orAmazon PayAfter the approval of the use has come down5It will be shipped within a day (excluding large holidays such as year -end and New Year holidays).

Special contracts for cancellation / return / exchange

1.After the order procedure is completed, it is possible to cancel only for the product in the process of shipping the product.

"After the product shipment process", it is not possible to cancel your order unless there is a reason to be returned to our blame.

2."About cancellation / return / exchange"Returned or exchanged cannot be acceptedProduct and other.Except for the case, you can return or exchange products after your order is completed.(Until before the product shipment)


After the product arrives7Based on "Cancel / Returns / Exchange" within the dayE -mail to usPlease contact me. (Reception hours: 10:00 to 17:00 on weekdaysClosed on weekends and holidays 

Please note that we do not accept returned or replacement processing by telephone.


Regarding returns and refunds"About cancellation, refund, return / exchange"Please read.


Build Amplifier Co., Ltd.

Minami Harimaya Town, Kochi City, Kochi Prefecture1-16-17