Zeus ZRX9404 - Receiver Hifonics - Free user manual and instructions
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| Product Type | Car Audio Amplifier (Receiver) |
| Model | Zeus ZRX9404 |
| Number of Channels | 4 |
| Power Output (RMS @ 4 ohms) | 100W x 4 |
| Power Output (RMS @ 2 ohms) | 200W x 4 |
| Bridged Power (RMS @ 4 ohms) | 400W x 2 |
| Frequency Response | 10 Hz - 30 kHz |
| Total Harmonic Distortion (THD) | < 0.05% |
| Signal-to-Noise Ratio | > 100 dB |
| Amplifier Class | Class AB |
| Power Supply Type | MOSFET PWM |
| Input Sensitivity | 200 mV - 8V |
| Crossover Type | 2-way (Low-pass/High-pass) |
| Crossover Frequency Range | 50 Hz - 4 kHz |
| Bass Boost | 0 - 12 dB @ 45 Hz |
| Remote Level Control | Included (Bass remote) |
| Inputs | Speaker-level with RCA outputs |
| Protection Circuits | Thermal, over-current, short circuit |
| Dimensions (W x H x D) | 13.4 x 2.4 x 11.8 in (340 x 60 x 300 mm) |
| Weight | 10.6 lbs (4.8 kg) |
| Fuse Rating | 80A (external fuse) |
| Recommended Wire Gauge | 4 AWG for power and ground |
Frequently Asked Questions - Zeus ZRX9404 Hifonics
What is the RMS power output per channel at 4 ohms?
The Hifonics Zeus ZRX9404 delivers 100 watts RMS per channel into a 4-ohm load, providing clean and reliable power for your speakers.
Can I bridge channels for more power?
Yes, bridging two channels yields 400 watts RMS into a 4-ohm load. Ensure your speakers can handle the increased power.
What type of crossover does this amplifier have?
It features a 2-way crossover (low-pass and high-pass) with an adjustable frequency range from 50 Hz to 4 kHz, ideal for component systems.
How do I connect speaker-level inputs?
The amplifier has built-in speaker-level inputs. Connect the speaker wires from your head unit directly using the included harness. No line output converter needed.
What gauge power wire should I use?
A 4 AWG power and ground wire is recommended for optimal performance and to minimize voltage drop.
Does it include a remote bass control?
Yes, a wired remote level control (bass knob) is included, allowing you to adjust the bass boost from the driver's seat.
What protection features does it have?
The amplifier is protected against thermal overload, over-current, and short circuits, ensuring reliable operation.
What is the recommended impedance per channel?
It is stable down to 2 ohms per channel (4 ohms when bridged). Avoid running below these values to prevent damage.
How do I set the gain correctly?
Start with the gain at minimum, play a clean test tone at 3/4 volume from your source, then slowly increase gain until you hear distortion, then back off slightly.
Where can I find the user manual?
You can download the full manual in PDF format for free from notice-facile.com or directly from Hifonics support.
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USER MANUAL Zeus ZRX9404 Hifonics
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Product information
Brand : Hifonics
Model : Zeus ZRX9404
Category : Receiver