1. Introduction
The Olympus TP-7 Telephone Pickup is an accessory designed to facilitate the recording of telephone conversations. It connects to a voice recorder and captures audio from both sides of a phone call, making it suitable for documenting important discussions or interviews.
2. Package Contents
Verify that all items are present in the package:
- TP-7 Telephone Pickup Microphone
- Adapter: Monaural 3.5 mm mini-plug to Stereo 3.5 mm mini-plug
- Adapter: Monaural 3.5 mm mini-plug to Monaural 2.5 mm mini-plug
3. Product Overview
The TP-7 is an economical and sensitive microphone designed for recording telephone conversations. Its key features include:
- Records both sides of a conversation.
- Compatible with both landline and cellular phones.
- Connects directly to a voice recorder's microphone input.
- Includes necessary adapters for various jack sizes.
4. Setup
Follow these steps to set up your Olympus TP-7 Telephone Pickup:
- Connect to Recorder: Locate the "MIC" (microphone) input jack on your voice recorder. Plug the 3.5 mm mini-plug of the TP-7 into this jack. If your recorder has a different size input, use the appropriate adapter provided.
- Position Earphone: Place the earphone side of the TP-7 into your ear. Ensure it is comfortably seated. The microphone element is integrated into the earpiece, designed to pick up audio from your phone's earpiece when held against it.
- Prepare Recorder: Ensure your voice recorder is powered on and set to record mode. Some recorders may require "plug-in power" to be enabled for external microphones. Refer to your recorder's manual for specific settings.

Image: The Olympus TP-7 Telephone Pickup, showing its earbud design and 3.5mm jack for connection to a recording device.
5. Operating Instructions
Once the TP-7 is set up, operating it is straightforward:
- Initiate Call: Make or receive a phone call as you normally would.
- Hold Phone: Hold your telephone handset or mobile phone's earpiece against the TP-7 earphone that is in your ear. The TP-7's integrated microphone will pick up the audio from your phone's speaker.
- Start Recording: Begin recording on your voice recorder. The TP-7 will capture both your voice and the voice of the person on the other end of the call.
- End Recording: Stop recording on your voice recorder when the conversation is complete.
The TP-7 is designed to work with both traditional landline phones and modern cellular phones, providing flexibility for various recording needs.
6. Troubleshooting
- No Recording or Low Volume:
- Ensure the TP-7 plug is fully inserted into the "MIC" jack of your recorder.
- Check your voice recorder's settings. Some recorders may require "plug-in power" to be enabled for external microphones.
- Verify the recording level on your voice recorder is set appropriately.
- Confirm the phone's earpiece is held firmly against the TP-7 earphone.
- Poor Audio Quality / Excessive Background Noise:
- The TP-7 is a live microphone. Minimize environmental noise during recording.
- Ensure the phone's earpiece is clean and free from obstructions.
- Adjust the distance between the phone's earpiece and the TP-7 earphone for optimal sound capture.
- Adapters Not Fitting:
- Confirm you are using the correct adapter for your recorder's microphone input jack size (2.5mm or 3.5mm).
- Ensure the adapter is fully connected to the TP-7 cable before plugging into the recorder.
7. Specifications
| Model Number | 145051 |
| Brand | OM SYSTEM (Manufacturer: Olympus) |
| Compatible Devices | Smartphone, Voice Recorders |
| Microphone Form Factor | Built-In (earphone type) |
| Headphones Jack | 3.5 millimeters (with adapters for 2.5mm) |
| Item Weight | 8 Grams |
| Microphone Operation Mode | Stereo (for recording, though pickup is mono) |
| UPC | 777781822212, 050332153936, 999993992433 |
8. Warranty and Support
Specific warranty details for the Olympus TP-7 Telephone Pickup are not provided in this document. For warranty information, technical support, or service inquiries, please contact OM SYSTEM (formerly Olympus) customer support directly or refer to the official product packaging and documentation.
You can typically find contact information on the manufacturer's official website.

