CellTap 4C - Hi-Fi System JK Audio - Free user manual and instructions
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| Product Type | Cellular Phone Interface |
| Brand | JK Audio |
| Model | CellTap 4C |
| Dimensions | 4.5 x 2.5 x 1.5 inches |
| Weight | 0.5 lbs |
| Power Source | 9V DC (battery or optional AC adapter) |
| Input Connector | 3.5mm stereo jack (for cell phone) |
| Output Connector | RCA (unbalanced line level) |
| Controls | Mute switch, volume control |
| Frequency Response | 300 Hz - 3.4 kHz (telephone bandwidth) |
| Isolation | Transformer isolated to prevent ground loops |
| LED Indicators | Power on/off |
| Cable Length | 6 ft (input cable) |
| Material | ABS plastic chassis |
| Compatibility | Most cellular phones with 3.5mm headset jack |
| Application | Connecting cell phone to landline, PA system, or recording device |
| Maintenance | Wipe with dry cloth; avoid liquids |
| Safety | Low voltage device; no special precautions |
| Repairability | Not user serviceable; contact manufacturer |
| Spare Parts | Not available separately |
Frequently Asked Questions - CellTap 4C JK Audio
How do I connect my cell phone to the CellTap 4C?
Use the included 3.5mm cable to connect your cell phone's headset jack to the CellTap 4C input. Then connect the RCA output to your desired device (e.g., mixer, recorder).
Does the CellTap 4C work with all cell phones?
It works with most phones that have a standard 3.5mm headset jack. Some newer phones without a headphone jack may require an adapter.
Can I use the device without a battery?
Yes, you can power it via the optional AC adapter (9V DC, center positive). Alternatively, insert a 9V battery for portable use.
What is the purpose of the mute switch?
The mute switch allows you to instantly mute the audio from your cell phone to the output, useful during calls or to avoid feedback.
How do I adjust the volume?
Use the volume control knob on the front panel to adjust the output level. It is a continuous rotary control.
Is the CellTap 4C transformer isolated?
Yes, it provides transformer isolation to eliminate ground loops and hum when connecting to professional audio equipment.
What is the frequency response?
The frequency response is optimized for telephone audio: 300 Hz to 3.4 kHz, which covers the typical voice band.
Can I use it to record phone calls?
Yes, the output can be connected to a recorder or computer line input. Ensure you comply with local laws regarding call recording.
How do I clean the device?
Use a soft, dry cloth to wipe the surface. Do not use liquids or cleaners, as they may damage the electronics.
What should I do if the device stops working?
First, check the battery or power adapter. If the issue persists, contact JK Audio support or refer to the manual for troubleshooting.
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USER MANUAL CellTap 4C JK Audio
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Product information
Brand : JK Audio
Model : CellTap 4C
Category : Hi-Fi System