Product Description
DC 12V VU Meter Driver LM3915 10 LED Audio Level Indicator Assembled Power Meter


Feature:
10-segment LM3915 level indicator board. The board has a first-level amplifier (using 741 single op amp), and there are two sets of high and low inputs. It can be used to indicate the output level of the front stage or power amplifier.
Power supply: 12VDC.
There are 11 LEDs in total, 3mm LEDs, 10 LEDs for level indication and 1 LED for power supply. The color matching default is: 7 green, 3 yellow, 1 red

Specifications:
Power supply: 12V150MA
Input sensitivity:
low input: 150mV to 6V rms (47K)
High input: 1.5V to 60V rms (470K)
Size: 35x70mm/1.37x2.75in
Weight: 20g

Wiring instructions:
There are 4 wires on the board, distinguished by color,
Connected to the pre-stage or microphone amplifier:
Red: connect the power supply 12V positive, black: connect the power supply 12V negative.
Yellow: connect to the positive signal line, green: connect to the negative signal line (outer layer, shielding layer)
 
Instructions for connecting to the speaker terminal:
1. The yellow wire needs to be soldered down and soldered to the HIGH position.
2. Connect the blue wire-the black terminal of the horn, and the yellow wire ---- the red terminal of the horn.
3. It should be noted that the power ground wire and signal ground wire of the panel power supply should be connected together.
 
Package included:
1pcs*LM3915 10 LED Audio Level Indicator Assembled


If you have any doubts or uncertainty about this item, contact us with no hesitation, we are always here and will solve your problems.

Thanks and wish you a nice day!


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Sometimes due to problems with our transportation company system, your shipping information may be delayed to update. We recommend that you try again after 3-4 days. If you still haven't checked the shipping information, you can contact us by ebay message.


Always believe we can figure things out with communication, if it comes to return, the pacakge must be intact and the same as you receive.

If  you have any questions, please feel free to email our service  specialists 24 Hours a Day, 7 Days a Week. We will reply you ASAP.

Return/refund  is accepted within 30 days after the buyer receives the item. NO exchange will be accepted after 30 days from the date when the item is  received.

Please contact us first before returning your product!!!





If you have any questions, our Customer Service staffs welcome you to email us. We strive to answer all questions and resolve any problems as quickly as possible.

You can contact us 7*24, we will reply at the first time, and we will surely solve your problems.

Note:

1.We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 1 business days for us to response. If you do not receive any reply from us, please check your email ensuring your mailbox has not reached full size.

2.Due to some ISP SPAM filter settings, you may not be able to receive our replies; if you have problems receiving our emails, you may need to use a different email account to contact us.

3.Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. Please email us before leaving any negative feedback or open any dispute on PayPal.

4.We care about our valued customers, and will always try to help you. So if you have any problems, please e-mail us immediately.





Payment

We accept all verified payments from ebay.

Orders will be shipped after receiving cleared payment.

Payment due within 7 days after auction ends and for buy it now listings.


Shipping

We ship most of our orders within 24 hours, and may up to 48 hours for.

If you want faster shipping way. Please contact us before making payment.

Sometimes due to problems with our transportation company system, your shipping information may be delayed to update. We recommend that you try again after 3-4 days. If you still haven't checked the shipping information, you can contact us by ebay message.


Returns

Always believe we can figure things out with communication, if it comes to return, the pacakge must be intact and the same as you receive.

If  you have any questions, please feel free to email our service  specialists 24 Hours a Day, 7 Days a Week. We will reply you ASAP.

Return/refund  is accepted within 30 days after the buyer receives the item. NO exchange will be accepted after 30 days from the date when the item is  received.

Please contact us first before returning your product!!!





Contact Us

If you have any questions, our Customer Service staffs welcome you to email us. We strive to answer all questions and resolve any problems as quickly as possible.

You can contact us 7*24, we will reply at the first time, and we will surely solve your problems.

Note:

1.We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 1 business days for us to response. If you do not receive any reply from us, please check your email ensuring your mailbox has not reached full size.

2.Due to some ISP SPAM filter settings, you may not be able to receive our replies; if you have problems receiving our emails, you may need to use a different email account to contact us.

3.Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. Please email us before leaving any negative feedback or open any dispute on PayPal.

4.We care about our valued customers, and will always try to help you. So if you have any problems, please e-mail us immediately.





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