ZEUS ZD-1750.5D - Receiver Hifonics - Free user manual and instructions
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| Brand | Hifonics |
| Model | ZEUS ZD-1750.5D |
| Type | Car Audio Amplifier (5-Channel) |
| Number of Channels | 5 |
| RMS Power (4 ohms) | 75W x 4 + 300W x 1 |
| RMS Power (2 ohms) | 125W x 4 + 500W x 1 |
| Peak Power | 1750W total |
| Frequency Response | 10Hz - 30kHz |
| Input Sensitivity | 200mV - 6V |
| Signal-to-Noise Ratio | >95dB |
| Dimensions (L x W x H) | 21.65 x 11.22 x 2.76 inches (550 x 285 x 70 mm) |
| Weight | 9.26 lbs (4.2 kg) |
| Power Supply | 12V DC (10-16V) |
| Fuse Rating | 120A (external) |
| Features | Low-pass/high-pass filters, subsonic filter, bass boost, remote level control |
| Construction | Aluminum heat sink, chrome end caps |
| Warranty | 1 year limited |
Frequently Asked Questions - ZEUS ZD-1750.5D Hifonics
How do I connect the amplifier to my car battery?
Use a 4 AWG or thicker power wire with a 120A fuse near the battery. Connect the positive terminal, ground the chassis, and run a remote turn-on wire from the head unit.
What is the impedance of the subwoofer channel?
The subwoofer channel is stable down to 2 ohms mono, delivering 500W RMS. For 4 ohms, it delivers 300W RMS.
Can I bridge the full-range channels?
Yes, channels 1-2 and 3-4 can be bridged to 4 ohms for higher power. Do not bridge below 4 ohms.
What is the recommended speaker size for the full-range channels?
Any 4-ohm speakers with RMS rating between 50-125W per channel are suitable. Ensure proper impedance matching.
How do I set the gain properly?
Start with gain at minimum, play a test tone at 3/4 volume, and increase gain until distortion is heard, then back off slightly.
Does the amplifier have a remote subwoofer control?
Yes, it includes a wired remote bass level controller for the subwoofer channel.
What type of input does the amplifier accept?
It accepts high-level (speaker wire) and low-level (RCA) inputs. Use RCA for best signal quality.
How do I protect the amplifier from overheating?
Ensure adequate ventilation around the heat sink. Do not mount in enclosed spaces without airflow. The amplifier has thermal protection.
Can I use this amplifier with a factory stereo?
Yes, using the high-level inputs. You may need a line output converter for cleaner signal.
What is the RMS power at 1 ohm?
The amplifier is not 1-ohm stable. Minimum impedance is 2 ohms mono for subwoofer and 2 ohms stereo for full-range channels.
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USER MANUAL ZEUS ZD-1750.5D Hifonics
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Product information
Brand : Hifonics
Model : ZEUS ZD-1750.5D
Category : Receiver