Dear friend，
Thank you for your rely.
Have you try to operate it without connection to load?
Is it the same situation in that case?
Best regards.

Hello Daniel Schmitz,
Thanks for writing in.
Could you please tell us which item you mention?
And how you operate it?
With more information you offer, we can find out solution as soon as possible.
Best regards.

Hello Phil,
Thanks for writing in.
We are sorry for any inconvenience caused you.
To find out solution for you, could you please send us the link of item for our confirmation?
Beg your forgiveness.
Best regards.

Hello Rindress MacDonald,
Thanks for your reply.
If it is hard to upload picture here, could you please send it to service email?service at droking dot com(Please replace at with @)
Look forward to your reply.
Best regards.

Hello Dan Tischler,
Thanks for writing in.
To find out solution for you, could you please send us the link of item you mention?
As there are many similar titles, we can’t ensure the item.
Beg your forgivnees and hope yo can understand.
Best regards.

Hello Henry G,
Thanks for writing in.
We have checked all of our site, but we are sorry we can’t find out your order, is it sold by DROK?
About your question, in general, it doesn’t need output filters, but it is available if you want a better protection。
And it’s a pity that we don’t have such item at present.
We will try our best to improve our product and service.
Beg your forgiveness and hope you can understand.
Best regards.

Hello Sam，
Thanks for your reply.
We are glad to hear that.
For more question, please feel free to contact us.
Best regards.

Hello Derrick,
Thanks for your reply.
We wonder if this massage was send from you.

Best regards.