D4400Ph-Nd v2
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
SKU: D4400Ph-Nd v2
The D4400Ph-Nd v2 is the evolution of our most famous midrange neodymium compression driver. This new design has improved efficiency, and strong vocal reproduction, making it the ideal choice for extreme car audio competitions.
The nearly indestructible Phenolic Diaphragm structure, designed for vocal reproduction, allows low midrange reproduction from 450 Hz, which makes this driver ideal for reproducing the important vocal range with enough output to keep up the most powerful low frequency speakers.

- The Brazilian phenolic technology delivers natural response throughout the vocal midrange frequencies.
- Car audio SPL enthusiasts use this 2” driver for vocal reinforcement on 3-way systems.
- The large high temperature 4 inch voice coil can handle up to 400 watts of musical power.
- For the highest output audio systems, this 109 dB efficient driver provides competition performance.
- Features a strong 6″ diameter neodymium ring magnet that reduces overall size and weight (vs. the ferrite D4400Ph)
Using a 6.10″ diameter neodymium motor provides a more compact design for easy front-mount installation with WGP22-50 horns, providing a compact yet powerful driver that solves the spacing and weight issues for large systems. Mounting hardware is included.

TRIO by PRV uses the latest Brazilian phenolic technology designed for vocal reproduction.
The phenolic diaphragm is attached to a 4″ diameter copper-clad aluminum wire with Kapton® former for a high 400 Watts RMS musical power handling, when used with recommended HPF:
- 700 Hz at 12 dB per octave filter Crossover / BT12
- 650 Hz at 18 dB per octave filter Crossover / BT18
Its incredible output capabilities make this midrange driver one of the loudest vocal drivers on the market!

A significant improvement in this second version was the larger aluminum phase plug, which provides better voice coil heat dissipation and high output levels.
This design, an exclusive from PRV Audio for neodymium midrange drivers provides better vocal response and efficiency. The Trio series driver is one of the top choices for car audio competitors.
PRV Trio 2″ Neodymium Midrange Driver D4400Ph-Nd v2 400 Watts 4” Voice Coil 8 Ohm – Phenolic Diaphragm
Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.