Contact Info

The Upgrade Company

Customer support and communication is an issue taken very seriously by The Upgrade Company. We strive to exceed your expectations. 
Please drop us an email or voicemail today.  We promise to reply to your inquiry as fast as possible.
 
Contact Information
Office Hours: Monday-Friday 10am-6pm, PST

 

This email address is being protected from spambots. You need JavaScript enabled to view it.

+1 702 708-4378

 (6) of David J. Schulte's patents

 


 

 

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The Upgrade Company, AudioVisual Equipment  Dealers, Harbor Springs, MI 

 

 

 

 

 

 

 

 

 

 

Contact Info

The Upgrade Company

Customer support and communication is an issue taken very seriously by The Upgrade Company. We strive to exceed your expectations. 
Please drop us an email or voicemail today.  We promise to reply to your inquiry as fast as possible.
 
Contact Information
Office Hours: Monday-Friday 10am-6pm, PST

 

This email address is being protected from spambots. You need JavaScript enabled to view it.

+1 702 708-4378

 (5) of David J. Schulte's patents

FIND OUT WHAT OUR CLIENT TESTIMONIALS SAY... 

 

+ 30 Day In Home 100% Refund Period

+ 5 Year Parts & Labor Warranty with Every Signature Edition Upgrade

+ 100% GUARANTEED to beat ANYTHING else on the market!

 

Nothing we sell ever comes back.  

We don't even have to advertise.  Once our clients experience for themselves the extreme high performance & "bang for the buck" we deliver, they keep coming back as funds permit.  

The Upgrade Company would not continue to be A+ rated on the nationwide BBB algorithm month after month unless we were delivering on our promises.

Please Email Us on This email address is being protected from spambots. You need JavaScript enabled to view it.  to place order

Marantz

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Marantz 8805 8077 7055 11 7 Series Signature Edition upgrades modifications mods
Marantz AV8805, AV8802A, MM8077, PM10, SA10, PM11, SA11 Signature Edition upgrades modifications mod..
$1,599.00
Based on 1 reviews.
Marantz AV-8805 AV Controller with $1599 SE Upgrade included
NEW Marantz AV8805 A/V pre-amp/processor INCLUDING OUR $1599 Signature Edition upgrade & RFI EMI..
$4,999.00
NA-11S1 With Signature Edition Upgrade
The NA-11S1 Premium Network Audio player is arguably the most advanced, next-generation player there..
$4,499.00
PM-KI Ruby With Signature Edition Upgrade
Marantz has been designing and making amplifiers for more than 65 years, and for 40 of those the pro..
$4,999.00
SA-KI Ruby With Signature Edition Upgrade
Marantz has been designing and making amplifiers for more than 65 years, and for 40 of those the pro..
$4,999.00

Page information last updated: 06/05/2020

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Tel: +1 702 708-4378