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CONGRA TULA TIONS!

YOU now own a REFERENCE Amplifier, the product of an uncompromising design and engineering philosophy. Your Soundstream REFERENCE amplifier will outperform any other amplifier in the world.

To maximize the performance of your system, we recommend that you thoroughly acquaint yourself with its capabilities and features. Please retain this manual and your sales and installation receipts for future reference.

Soundstream amplifiers are the result of American craftsmanship and the highest quality control standards, and when properly installed, will provide you with many years of listening pleasure. Should your amplifier ever need service or replacement due to theft, please record the following information. which will help protect your investment.

Model and Serial #

Dealer’s Name

Date of Purchase

Installation Shop

Installation Date

2

TABLE OF CONTENTS

Design Features

4

-

5

Reference41 4s Diagram

6

-

7

Reference644s Diagram

8

-

9

High Power/Auto High CurrentTM Power Supply Design

10

Selecting Input Modes

11

Balanced / Unbalanced Input (Reference644s)

 

12

Wiring & Wiring Diagram

13 - 14

Installation and Mounting

 

15

Level Setting (Reference414s)

 

16

Level Setting (Reference644s)

 

17

Crossover Adjustments

 

18

A/RBASSTM

 

19

Sample Systems

20 - 25

Troubleshooting

 

26

Service

 

26

Protection Circuitry

 

27

Specifications

.......

27

3

 

 

 

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Soundstream Technologies 644s, 414s owner manual Congra Tula Tions, Table of Contents

414s, 644s specifications

Soundstream Technologies has made significant waves in the automotive audio industry with its innovative products, especially the 644s and 414s models. These two amplifiers are designed for audiophiles seeking high-quality sound and reliability in their car audio systems.

The Soundstream Technologies 644s is a 4-channel amplifier that delivers clean, powerful sound with a peak power output of 400 watts, making it ideal for driving a full range of speakers. It features a Class A/B design, which ensures high efficiency and minimal distortion, resulting in an impressive audio experience. This amplifier is equipped with adjustable crossovers, allowing users to customize the sound to fit their preferences and ensure optimal performance for both highs and lows. Additionally, the 644s has a built-in bass boost feature, enhancing low-end frequencies for those who appreciate deep, resonating bass in their music.

On the other hand, the Soundstream Technologies 414s is a robust 2-channel amplifier that outputs up to 300 watts of peak power. Like the 644s, the 414s also employs Class A/B technology, which contributes to its impressive sound dynamics and low distortion levels. This model is designed for users looking to power two speakers or a single subwoofer, providing clear and reliable audio output. The 414s features a variable gain control, which helps users balance the sound levels according to their preferences.

Both models boast a sleek design with an aircraft-grade aluminum chassis that not only enhances their durability but also contributes to effective heat dissipation, ensuring long-lasting performance. The built-in protection circuitry prevents overheating and short-circuiting, protecting both the amplifier and the audio components connected to it.

Additionally, both the 644s and 414s incorporate professional-grade connectors and wire terminals that ensure secure, low-resistance connections. This attention to detail in design and technology makes them a reliable choice for serious audio enthusiasts.

In summary, the Soundstream Technologies 644s and 414s amplifiers embody the company’s commitment to delivering high-quality audio solutions. With their feature-rich designs, effective sound customization options, and robust build quality, these amplifiers remain a popular choice among car audio aficionados looking for exceptional sound performance on the road.