Description:
Dual op amp three times before the DC amplification empty board: compact double-sided FR4 fiberglass
board, the size of 26 × 26mm, suitable for small volume chassis assembly, to save space.
High quality PCB, Japan KOA 1 / 4W colored ring precision metal film resistors (error through far less
than 1%), high-quality eight-foot hole seat assembly for voltage feedback op amp, such as the NE5532,
OPA2134, OPA2604, AD826, OPA2111, etc., then ± 5 ~ ± 18 to work. Board leaving two mounting holes
for easy installation.

Classic line, although simple, spend a good op amp, such as the assembly with the gold seal OPA2111
enable voice but wide range, High Definition force, rich in detail, tonal balance, the sound quality
depends on the merits of the op amp's performance, resistance the accuracy and quality of the content
element is also power can not be the end. Change the negative feedback resistor value can change the
magnification. You can also put the assembly according to prefer different types of transport.

Package Included:
1PCS x Dual op amp DC Pre-amp amplifier empty board

1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances. 3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.

1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.
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1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.

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2.Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly

1. If you have any questions, please feel free to email our service specialists.
2.Just contact us using the " Ask the seller a question" link on eBay.
3.Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.

Am 18.04.2026 hat der Verkäufer die folgenden Angaben hinzugefügt:

Datacaciques