Manufactured by Analog Devices - 1pc of ADA4627-1BRZ  OP-AMP converted to a mono (single) channel OP-AMP set (in DIP-8 package as shown in the picture). 

Genuine Analog Devices premium chips for audio application. Beware of those counterfeit/remarked chips on the market.  Please note that ADA4627-BRZ is of higher grade than ADA4627-ARZ. ADA4627-BRZ  is known for the great sonic performance comparing to it's rival - TI Burr-Brown OPA627BP

Soldered with high quality solder (3% silver) which is approved by SONY or you may choose the following optional solder types: (It will take longer lead time to customize)

1. Mundorf M-solder Silver/Gold - high-end audio solder which contains: 3.8% Silver, 0.038% Gold

2. Oyaide SS-47 - high purity 4N (over 99.993％ Sn), 4.7% Silver

3. Kester 3% Silver


We use only premium gold-plated adapters and gold-plated pin headers, (gold-plating thickness is strictly requested)

All soldered products are qualified for IPC soldering standard.

this is an interchangeable mono OP-AMP set for most of the DACs, audio/headphone amplifiers with 8-pin socket OP-AMP design, giving you the ultimate perfect sound balance and enjoyment - Great bass response and sweet vocal/lead instrument.


More items are coming soon!

(OPA211ID, OPA2211AIDDA, LME49990MA, ADA4637-1BRZ, AD8620BR, AD797BR, etc.)


Our Customers' Feedback: (See attached photo)

"You know, I think that ADA4627-1 is the perfect one. The more I listen it, the more music feels as real as live concerts."
"Never heard my music so perfectly.I already tried NE5534, OPA627, AD797, AD8065 and ADA4627-1 is definitely ahead."

- Jean (FRANCE) 2014/5/14



"Hi, I would really like to thank you for the communication. Today I received. I admit that it was ULTRA FAST. I did not expect it. I have already put them on my dac. work like a charm."

- Michael (Greece) 2014/6/4