Manuals / Soundstream Technologies / Home Audio / Stereo Amplifier

Soundstream Technologies 604, 204, 404 owner manual Top View

Models: 604 404 204

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KEY TO CALLOUTS

1.FUSE LED - Indicates blown fluse.

2.Power LED - indicates amplifier power, either in High Power or Auto High Current.

3.Subsonic / Hawkins Bass Control Switch - “SUB SONIC” to engagethe Sub Sonic filter at 13 Hz. “Hawkins Bass Control” to engage the high pass filter@ 45 Hz with variable boost (Q) for optimum bass for any channel in Low Pass.

4.Clip Indicators - (Channels l&2) Indicates the signal output level is too high and the output stage of the amplifier is clipping.

5.XOVER Switch - (Channels l&2) Select “L.P.”for use with the internal low pass filter, “IN” for use with the internal high pass filter, or “OUT” for use with external crossover.

6.Left Channel Balanced/Unbalanced Input Selector - (Ch 1) Select “BALANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use the RCA signal inputs.

7.Right Channel Balanced/Unbalanced Input Selector - (Ch 2) Select “BALANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use the RCA signal inputs.

8.Clip Indicators - (Channels 3&4) Indicates the signal output level is too high and the output stage of the amplifier is clipping.

9.XOVER Switch - (Channels 3&4) Select “L.P.”for use with the internal low pass filter, “HP.” for use with the internal high pass filter, or “OUT” for use with external crossover.

IO. Left #Channel Balanced/Unbalanced Input Selector - (Ch 3) Select “BALANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use the RCA signal inputs.

11.Right Channel Balanced/Unbalanced Input Selector - (Ch 4) Select “BALANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use the RCA signal inputs.

12.Inputs - Right and left channel RCA inputs for channels 3&4.

13.Balanced Signal Input Connector - (Channels 3&4) 6-Pin Balanced input connector for use with the Soundstream BLT/BLT4 Balanced Line Trasmitter or X.0 crossover.

14.Input LEVEL - Channels 3&4 independent left and right input level control.

15.High Pass Control Adjustment - (Channels 3&4) crossover frequency control for the internal high pass filter.

16.Speaker Connection Terminal - Speaker connections for Ch’s 3&4.

17.Inputs - Right and left channel RCA inputs for channels l&2.

18.Balanced Signal Input Connector - (Channels l&2) 6-Pin Balanced input connector for use with the Soundstream BLT/BLT4 Balanced Line Trasmitter or X.0 crossover.

19.Input LEVEL - Channels l&2 independent left and right input level control.

20.High Pass Control Adjustment - (Channels l&2) crossover frequency control for the internal high pass filter.

21.Low Pass Control Adjustment - Crossover frequency control for the internal low pass filter. Applies to any channel with the low pass filter engaged.

22Hawkins Bass Control “Boost” Adjustment - Varies from 0 to +9 dB of boost when the Hawkins Bass Control is engaged. Note: Applies to any channel with the low pass

 

 

 

filter engaged.

 

 

 

23.

Subwoofer Level Control - Additional level control (k6dB) to any channel receiving

 

 

 

information from the low pass filter.

 

 

 

 

24.

Line Outputs - Full range outputs to external amplifier. Note: Signal is

driven

from

 

 

 

channel l&2 inputs.

 

 

 

25.

Speaker Connection Terminal - Speaker connections for Ch’s l&2.

 

 

 

26.

REMOTE - Remote turn-on input from the head unit. Accepts +12V.

 

 

 

27.

GND - Main ground connection. Bolt to a clean chassis point in the vehicle.

 

 

 

28.

+12V - Connected to a fuse or circuit breaker, then to the battery’s positive terminal

 

29.

Main Fuse - Main power supply fuses.

 

 

 

30.

Stereo/Mono Switch - (Channels l&2) Select “MONO” for bridged mono output (use

Front View

60 ttom View

right level and RCA input only). Select “STEREO” for stereo output.

 

 

Channels 3&4 INPUT SELECT - Selectable inputs from internal (from channels l&2) or

 

31.

 

 

 

external (from channels 3&4 local RCA inputs).

 

 

 

32.

Stereo/Mono Switch - (Channels 3&4) Select “MONO” for bridgedmono

output

(use

10

right level and RCA input only). Select “STEREO” for stereo output.

 

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Soundstream Technologies 604, 204, 404 owner manual Top View
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604, 404, 204 specifications

Soundstream Technologies has made a significant impact in the realm of audio technology with its innovative products like the Soundstream Technologies 204, 404, and 604 series. Each of these models showcases the company’s commitment to high-quality sound reproduction, reliability, and cutting-edge features tailored for audiophiles and casual listeners alike.

The 204 model is engineered with a focus on compactness and user-friendly operation, making it an excellent choice for smaller spaces or mobile applications. One of the key features of the 204 is its advanced digital signal processing (DSP), which allows for precise audio tuning and optimization. With a power output of 200 watts, it delivers dynamic sound quality that can fill a room without distortion. Additionally, the 204 supports various audio formats and has built-in Bluetooth capabilities, enabling seamless streaming from smartphones or tablets.

Moving to the 404 model, this unit elevates the audio experience with enhanced power and a broader range of connectivity options. It boasts a four-channel configuration, facilitating multi-zone audio distribution. Its high-performance amplifiers are designed to handle demanding audio loads while maintaining clarity and depth. The 404 also features a user-friendly interface, including a digital display and intuitive controls that allow users to adjust settings with ease. Furthermore, it is equipped with exclusive Soundstream technologies such as automatic soiling detection and temperature monitoring to ensure optimal performance and longevity.

The flagship 604 model represents the pinnacle of Soundstream's engineering prowess. This high-end audio solution stands out with its six-channel configuration and remarkable power handling, offering up to 600 watts. It incorporates sophisticated technologies such as time alignment and phase correction, delivering an immersive listening experience that feels both natural and dynamic. In addition to its superior sound quality, the 604 offers extensive customization options, allowing users to tailor the audio output to their individual preferences. Its robust build quality and premium components ensure durability and longevity, making it a worthwhile investment for serious audiophiles.

In summary, the Soundstream Technologies 204, 404, and 604 models exemplify the brand’s dedication to innovation and quality in audio technology. Each model serves a unique set of needs, from compact spaces to expansive sound systems, while utilizing advanced features and reliable performance to cater to diverse listening preferences.