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Product Gallery One

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Quad 405 Deluxe kit

Price $175.00
Includes upgraded output transistors and opa627 opamps

Quad 405 Ultimate kit

Price $340.00
All of the basic 405 kit included with upgraded output transistors, opamps and dual mono power supply.

Quad 405 Basic kit with installation

Price $259.00
The basic Quad 405 kit and installed by us.

Quad 405 Deluxe kit with installation

Price $309.00
Includes upgraded output transistors and opa627 opamps installed by us.

Quad 405 Ultimate kit with installation

Price $449.00
All of the basic 405 kit included with upgraded output transistors, opamps and dual mono power supply installed by us.

Item Title 1-6

Price $29.00
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Item Title 1-7

Price $550.00
DaDa Electronics own new design of complete 405 boards. This sets a new standard for audio excellence. Two boards completely assembled and bench optimized.

OPA627option

Item Title 1-8

Price $475.000

DaDa Electronics own new design of complete 405 boards. This sets a new standard for audio excellence. Two boards completely assembled and bench optimized.

OPA604option

Quad Dual Mono 405 Power Supply

Price $205.00
DaDa exclusive design. High quality capacitor and extremely fast rectifiers. This will give you more bass definition and can be wired to achieve 30db greater stereo separation