COMBINING AMPLIFIERS

The Directed D1200/D2400 subwoofer amplifiers have the capability of connecting two or more amplifiers of the same power rating together in a master/slave combination for increased power with accurate level matching. They are the Parallel Synced Gain and External Synced Bridged combinations.

WARNING: DO NOT attempt to combine amplifiers of different power ratings. These amplifier combinations work correctly only if the Master and Slave amplifiers are identical models.

Parallel Synced Gain

In this master/slave combination the master amplifier pre-amp controls remain active and the slave amplifier pre-amp is bypassed. This allows the master ampli- fier to control gain, filter, and sub-level on both amplifiers.

This combination allows the amplifiers to drive their own separate subwoofer(s) while being synced together via an in- phase audio pre-amp signal from the master amplifier. Wiring connections to the amplifier subwoofer outputs in this combination should be standard in-phase configurations, creating a parallel speaker connection. (Refer to Parallel Synced Gain section of this guide for amplifier and speaker connection diagrams.)

NOTE:

One master amplifier can control up to three slave

 

amplifiers in this combination. Multiple identical

 

master/slave combinations can be added to any

 

given system.

External Synced Bridged

In this master/slave combination the master amplifier pre-amp controls remain active and the slave amplifier pre-amp is bypassed. This allows the master amplifier to control gain, filter, and sub-level on both amplifiers. This combination allows the amplifiers to drive common subwoofer loads while being synced together via an out-of-phase audio pre-amp signal from the master amplifier. In this subwoofer wiring configuration the master amplifier sends the positive signal to the subwoofer while the slave amplifier sends the negative signal, making an externally bridged speaker connection. (Refer to External Synced Bridged section of this guide for amplifier and speaker connection diagrams.)

NOTE:

Amplifiers in this combination can only be connected

 

in matched pairs. Multiple matched pairs may be

 

added to drive separate subwoofer loads in a given

 

system.

Combined Amplifiers Gain and Filter Settings

NOTE: You MUST set the Subsonic, EQ, and other filter settings on the master amplifier to the same posi- tions to achieve safe, optimal results. Adjustment guidelines are discussed in the Crossover and Gain Adjustment section of this guide.

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© 2004 Directed Electronics, Inc

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Directed Electronics D2400, D1200 owner manual Combining Amplifiers, Parallel Synced Gain
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D1200, D2400 specifications

Directed Electronics has established itself as a leading provider of automotive security and remote start systems, with products like the D1200 and D2400 at the forefront of their innovation. These two models showcase the brand's commitment to enhancing vehicle security while ensuring user convenience and ease of operation.

The Directed D1200 is designed primarily for users seeking effective vehicle security. It features a robust alarm system that provides comprehensive protection against theft and unauthorized access. One of the standout characteristics of the D1200 is its dual-zone impact sensor, which detects tampering or intrusion attempts. This allows the system to differentiate between minor disturbances and significant threats, providing an intelligent response to various scenarios.

Equipped with a powerful siren, the D1200 is capable of generating a loud alert, deterring potential thieves effectively. It also includes keyless entry functionality, enabling users to unlock their vehicle from a distance, enhancing convenience alongside security. The system's compact design allows for discreet installation without compromising the aesthetic of the vehicle's interior.

On the other hand, the Directed D2400 takes security a step further by integrating advanced technologies aimed at convenience and control. This model not only features an enhanced alarm system but also offers remote start capabilities. The D2400 allows users to start their vehicle from up to one mile away, making it particularly useful in extreme weather conditions—ensuring a comfortable driving experience before even entering the vehicle.

Additionally, the D2400 boasts smartphone integration, allowing users to control their vehicle's functions through a dedicated mobile application. This remote access feature gives users the ability to monitor their vehicle's status, receive alerts, and implement security measures directly from their smartphones.

Both the D1200 and D2400 emphasize user-friendly interfaces and comprehensive security features. Their installation process is designed to be straightforward, ensuring that even novice users can enjoy the benefits of advanced vehicle protection.

In conclusion, Directed Electronics' D1200 and D2400 models represent the pinnacle of automotive security technology, combining cutting-edge features with user-centric design. Whether the primary concern is theft deterrence or enhanced vehicle control, these systems deliver peace of mind and convenience for today's drivers.
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