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POWER Amplifiers
400, 760, 880, 900, 920, 1050
Installation & Operation Manual
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features and Specifications . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Speaker Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Indicators and Controls . . . . . . . . . . . . . . . . . . 10
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Remote Input Level Control . . . . . . . . . . . . . . . 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 12
CEA Power Output . . . . . . . . . . . . . . . . . . . . . . 13

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Summarization of Contents

Introduction to Jensen Power Amplifiers
Before You Begin Installation
Key advice and considerations before starting amplifier installation.
Warranty Service Information
Details on how to obtain service and warranty claims.
Jensen Power Amplifier Features & Specifications
Core Amplifier Technologies
Highlights MOSFET power supply, bi-polar transistors, and optimized Class B design.
Model-Specific Features
Lists features specific to 400/760/880/920 and 900/1050 models.
General Technical Specs
Covers impedance, signal-to-noise, frequency response for broader models.
Detailed Power Output Specs
Comprehensive RMS power figures for all models at various loads.
Amplifier Installation Guide
Installation Assistance & Tools
Guidance on professional installation and list of necessary tools.
Mounting Location & Safety
Tips for choosing a safe mounting spot and avoiding damage.
Proper Wire Routing Techniques
Instructions for routing power and signal wires safely.
Power Wiring Essentials
Vehicle Charging System Impact
Understanding how amps affect the car's alternator and battery.
Wire Gauge Recommendations
Chart of recommended wire sizes for different current draws.
Connecting the Main Power (+12V)
Diagram and steps for safe main power connection with fuse.
Connecting the Remote Turn-On (REM)
How to wire the amplifier's turn-on signal.
Grounding and Fuse Requirements
Establishing a Secure Ground
Best practices for creating a reliable ground connection.
Fuse Specifications by Model
Table of required fuses (type, quantity) for each amplifier.
Speaker Wiring Diagrams
Power 400/880 Speaker Setup
Wiring for 2 speakers or 1 subwoofer on 400/880 models.
Power 900/1050 Speaker Setup
Wiring for 2 subwoofers or 1 subwoofer on 900/1050 models.
Tri-Mode Speaker Connection
Diagram for the tri-mode speaker configuration.
Model 760/920 Speaker Configuration
Four Speaker Wiring
Diagram for connecting four speakers to 760/920 models.
Bridged Wiring for 760/920
Diagrams for bridged stereo and subwoofer setups.
Input Wiring Options
Power 400/880 Input Wiring
RCA cable connections for stereo and mono modes.
Power 900/1050 Input Wiring
RCA cable connections for mono mode.
Advanced Input and Amplifier Linking
Power 760/920 Input Modes
Configuration for 2, 3, or 4 channel inputs.
Connecting Multiple Amplifiers
Using Pass-Thru RCA for daisy-chaining amplifiers.
Amplifier Controls and Indicators
Power Indicator (POWER)
Visual confirmation that the amplifier is powered on.
Input Level (LEVEL) Adjustment
Matching amplifier input sensitivity to the source unit.
Bass EQ Control Function
Adjusting low-frequency bass boost for desired output.
Filter Controls (LPF/HPF)
Using Low Pass and High Pass filters for crossover tuning.
Crossover (X-OVER) Functionality
Setting crossover points for bi-amplifying systems.
Mode Switch Operation
Understanding how the mode switch affects channel configuration.
Installation Testing Procedures
Reconnect Battery Safely
The procedure for reconnecting the vehicle battery.
Verifying Power Wiring
Checking power and remote turn-on for correct operation.
Testing Speaker Connections
Ensuring speakers are properly wired and functional.
Remote Input Level Control Usage
How to use the remote control for bass or input level adjustment.
Troubleshooting Amplifier Issues
Amplifier Fails to Turn On
Diagnosing and resolving no-power conditions.
Sound Distortion or Poor Bass
Troubleshooting audio quality problems like distortion.
Protection Mode & Thermal Issues
Addressing thermal protection and short-circuit activation.
CEA-2006 Power Output Standards
Power 400 CEA Output Specs
Detailed CEA-2006 RMS power for the Power 400 model.
Power 760 CEA Output Specs
Detailed CEA-2006 RMS power for the Power 760 model.
Power 880 CEA Output Specs
Detailed CEA-2006 RMS power for the Power 880 model.
Power 900 CEA Output Specs
Detailed CEA-2006 RMS power for the Power 900 model.
Power 920 CEA Output Specs
Detailed CEA-2006 RMS power for the Power 920 model.
Power 1050 CEA Output Specs
Detailed CEA-2006 RMS power for the Power 1050 model.

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