Impressive Lil box.
It's a wonderful little box the dp4000. I really enjoy the pre programmed experience out of the box. It works very well. ... (read more)
by V.UMr.
I have been using a manual pump for about 3 years now and have always enjoyed pumping. I recently received my DP-4000 ma ... (read more)
by Cesar GinezMr.
I have been using a manual pump for about 3 years now and have always enjoyed pumping. I recently received my DP-4000 ma ... (read more)
by Cesar GinezMr
I bought a Digital Maximizer 4000 in 2003 (16 years ago) and have used it for a minimum of 20 minutes almost every day s ... (read more)
by Ray SmithDP-4000 great product
I have reached over 25 inch balls in only 2.5 hour pump sessions. This product works fantastic. I have had it for at lea ... (read more)
by RMGMr
How to Install the maximize 4000 software with Windows 8.1
Answer: Install the Updated software at www.ctc-company.co ... (read more)
by Ray SmithDr.
DP-4000 = The Rolls Royce Of All Pumping Devices ...Amazed Beyond Belief ! ! !
by J. NelsonDp 4000
I purchased the Dp4000 about six weeks ago and really like the pump. The programable functionality with the pump work gr ... (read more)
by DRWMr
This how I installed my Maximizer software into my new Windows 8.1 Lap top.
I inserted the cd and opened "this pc" and ... (read more)
by Ray SmithDr.
DP-4000 = The Rolls Royce Of All Pumping Devices ...Amazed Beyond Belief ! ! !
by J. NelsonVery good
I had the XL-1000 Deep Throat Maximizer before I bought the DP-4000.
I bought the DP-4000 22/3-2013 and has reglebundet ... (read more)
by RolandMr
How to Install the maximize 4000 software with Windows 8.1
Answer: Install the Updated software at www.ctc-company.co ... (read more)
by Ray SmithMr
I bought a Digital Maximizer 4000 in 2003 (16 years ago) and have used it for a minimum of 20 minutes almost every day s ... (read more)
by Ray SmithMr
I bought a Digital Maximizer 4000 in 2003 (16 years ago) and have used it for a minimum of 20 minutes almost every day s ... (read more)
by Ray SmithDr.
Dr. J. Nelson / Oklahoma
11-19-2013
To CTC:
In regarding the DP-4000 Maximizer, I can only give positive r ... (read more)
by J. Nelson