The XFIRE AUDIO EFX1000D is a mobile power amplifier designed for car audio systems, offering a blend of sleek design, powerful performance, and ease of integration. It is part of the EFX series, which emphasizes "LIFE AMPLIFIED" through high-fidelity autosound.
Function Description:
The EFX1000D serves as a mobile power amplifier, boosting audio signals from a source unit to drive speakers, particularly subwoofers, in a vehicle. It is engineered to deliver clean and powerful sound, enhancing the overall car audio experience. The amplifier is designed for use in 12-volt DC negative ground systems. It features various controls for fine-tuning the audio output, including crossover settings, gain adjustment, and bass boost, allowing users to customize their soundstage. The amplifier also incorporates protection mechanisms against thermal overload, low voltage, and short circuits to ensure longevity and reliable operation.
Important Technical Specifications:
- RMS Power @ 2Ω, 14.4V 1% THD: 1x 500W
- RMS Power @ 4Ω, 14.4V 1% THD: 1x 350W
- Damping Factor: >200
- Frequency Response: 20Hz – 250Hz (-3dB)
- Signal/Noise Ratio @ Rated Power: 98dB (A-Weighted)
- Operating Voltage: 8.2 – 16V DC
- Auto Turn On: DC Offset / Audio
- Remote In: With Low Level Inputs Selected
- Remote Out: With High Level Inputs Selected
- X-over Functions: LPF (Low Pass Filter)
- X-over Frequency Adjustment: 40Hz - 220Hz
- X-over Slope: 12dB/Octave
- Subsonic Filter: 10Hz - 50Hz
- Bass Boost: 0 - 12dB @ 45Hz
- Recommended Fuse Rating: 60 Amp
- Dimensions (H x W x L): 53 x 150 x 233 mm
- Topology: Ultra efficient Mono Block Class D
- Inputs: 5 volt inputs, 2 ohm stability, switchable RCA inputs (low and high level signals)
Usage Features:
- Installation: The manual provides detailed instructions for installation, emphasizing the importance of proper ventilation and a "clean" power source. It recommends having the work done by an authorized XFIRE AUDIO installation professional if the user is unsure.
- Power Connections: Requires direct connection to the vehicle's battery with proper gauge copper wire and an inline fuseholder within 18 inches of the battery. A power wiring selection chart is provided to determine the minimum wire gauge based on output power and wire length. The ground connection should be made to the vehicle's chassis with a clean, bare metal, strong connection, keeping ground wires as short as possible and using the same wire thickness as the positive 12V DC connection.
- Remote Turn On: The amplifier can be turned on/off via a +12V DC voltage applied to the REMOTE INPUT (REM) terminal, typically from the source unit's remote output or power antenna lead. For high-level inputs, a REMOTE OUTPUT (REM) is available to turn on additional amplifiers.
- Speaker Connections: LOUDSPEAKER OUTPUTS are provided for connecting speakers. Users must observe proper polarity and ensure the minimum impedance capacity is not exceeded. A speaker wiring selection chart helps determine the minimum wire gauge for speaker connections based on output power and wire length.
- Input Level Switch: Allows selection between High level (SPK IN) or Low level (PRE IN) inputs.
- Auto Turn On: When using high-level inputs, this switch allows the amplifier to turn on/off via a remote input signal (Rem) or automatically via DC Offset and Audio sensing.
- Gain Control: Used to match the amplifier's input sensitivity to the source unit's output, ensuring optimal signal levels without distortion.
- Low Pass Freq. Control: Sets the Low Pass filter frequency for the speaker outputs, crucial for subwoofer integration.
- Subsonic Control: Filters out extremely low frequencies that can damage subwoofers.
- XTREME BASS Control: Provides a bass boost, allowing users to enhance the low-frequency output.
- LED Indicators: POWER & PROTECTION LEDs indicate the amplifier's status: green/blue for ON, red for protection mode.
- Signal Input: Recommends using high-quality shielded audio cables to prevent noise and RF inductance, and avoiding proximity to cellular phone equipment, electronic management systems, or other interference sources.
- Setting Controls: Provides a step-by-step guide for setting the gain level and LPF, starting with minimum gain and volume, then gradually increasing to achieve desired sound without distortion.
Maintenance Features:
- Troubleshooting Guide: The manual includes a "In case of difficulty" section to help users diagnose and resolve common issues such as no sound (power LED off or on), protection LED on, poor bass response, and engine noise. It advises re-checking connections, fuses, operating voltage, and cable integrity.
- ISOTEK Protection: The amplifier is equipped with ISOTEK technology to protect against thermal overload, low voltage, and short circuits, enhancing its durability and reliability.
- Robust Construction: Features "Direct Device Mount" PCBs and tight tolerance components for improved signal-to-noise ratios. Input and output connectors are direct PCB mounted for maximum power and signal transfer, while side panel secured terminals resist flex, twist, or breakage. The small, sleek, blacked-out all-aluminum chassis aids in heat dissipation and provides a durable enclosure.
- Warranty: XFIRE AUDIO offers a limited warranty: 90 days in the U.S.A. (1 year if installed by an authorized dealer). The warranty covers defects and typically involves replacement with an equivalent product. It explicitly lists what is NOT covered, such as abuse, improper installation, water damage, theft, and products purchased from unauthorized dealers. Users are advised to retain their purchase receipt for warranty purposes.
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