V3 - Receiver Fosi Audio - Free user manual and instructions
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| Product Type | Receiver / Stereo Amplifier |
| Brand | Fosi Audio |
| Model | V3 |
| Dimensions (W x D x H) | Approx. 10 cm x 8 cm x 3 cm |
| Weight | Approx. 200 g |
| Power Supply | DC 12V / 2A (adapter included) |
| Amplifier Class | Class D |
| Output Power | 2 x 50W RMS @ 4 ohms |
| Input Impedance | 10 kOhms |
| Frequency Response | 20 Hz - 20 kHz (±0.5 dB) |
| Signal-to-Noise Ratio | > 90 dB |
| Total Harmonic Distortion | < 0.1% |
| Inputs | 1 x RCA Stereo, 1 x Bluetooth (optional) |
| Outputs | 2 x Speaker Binding Posts (banana plug compatible) |
| Bluetooth Version | 5.0 (if equipped) |
| Protections | Short circuit, overcurrent, overheat |
| Standby Power Consumption | < 1 W |
| Operating Temperature | 0°C to 40°C |
| Housing Material | Aluminum alloy |
| Included Accessories | Power adapter, RCA cable (if applicable) |
| Cleaning | Wipe with a soft dry cloth. Do not use liquids. |
| Safety | Keep away from heat sources and moisture. Ensure proper ventilation. |
| Repair / Spare Parts | Contact authorized service center. No user-serviceable parts inside. |
Frequently Asked Questions - V3 Fosi Audio
How do I connect the V3 receiver to my speakers?
Use the speaker binding posts on the rear. Connect positive (+) to positive and negative (-) to negative. Strip the wire ends, loosen the posts, insert, and tighten.
What is the maximum power output of the V3?
The V3 delivers up to 2x50W RMS into 4 ohm speakers. For 8 ohm loads, expect around 2x30W.
Does the V3 have Bluetooth connectivity?
Some versions include Bluetooth 5.0. Check your unit's specifications. If not, you can use the RCA input with an external Bluetooth receiver.
Can I use the V3 with a subwoofer?
The V3 does not have a dedicated subwoofer output. You can connect a powered subwoofer with speaker-level inputs in parallel with your speakers.
What power supply does the V3 require?
It uses a 12V DC power adapter (2A minimum). The included adapter is suitable; using a higher voltage may damage the unit.
How do I clean the V3 receiver?
Unplug the unit. Wipe the exterior with a soft, dry cloth. Do not use any liquids, solvents, or abrasive cleaners.
My V3 has no sound output. What should I check?
Ensure the power adapter is connected and the device is powered on. Verify all cable connections: source to input, and speakers to outputs. Check that the source is playing and volume is up.
Is the V3 compatible with 4 ohm speakers?
Yes, the V3 is designed to drive 4 ohm speakers without issues. It can safely handle low impedance loads.
What is the warranty period for the V3?
Fosi Audio typically offers a 2-year warranty. Contact the seller or manufacturer for specific warranty details.
Can I turn off the LED indicator?
No, the LED indicator on the V3 cannot be turned off. It shows power status (blue when on, red in protection).
User questions about V3 Fosi Audio
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USER MANUAL V3 Fosi Audio
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Product information
Brand : Fosi Audio
Model : V3
Category : Receiver