KRAMER K-Speak Bluetooth Speaker Phone User Guide
- September 7, 2024
- Kramer
Table of Contents
KRAMER K-Speak Bluetooth Speaker Phone
Product Information
Specifications:
- Model: K-Speak Bluetooth Speakerphone
- P/N: 2900-301531QS
- Rev: 4
- Power Supply: USB or wireless charger
- Battery Life: Up to 8 hours
- Features: Auto echo cancellation, auto noise suppression, auto audio gain
- Connectivity: Bluetooth, 3.5mm Mini Jack, USB Type-C Port (5V=2A)
Product Usage Instructions
Getting Started:
- Ensure the unit is disconnected from the power supply before opening or servicing.
- For the latest information and updates, visit the Kramer website at www.kramerAV.com.
- For questions or feedback, contact info@kramerel.com.
Features and Functions:
- Volume Buttons: Use to adjust volume levels.
- Bluetooth Button: Press to connect/disconnect Bluetooth. Check indicator lights for status.
- Microphone Mute Button: Press to mute/unmute the microphone input.
- Call Button: Use to answer/hang up calls.
- Power Button: Press and hold to power ON/OFF or reset the system.
- IN/OUT 3.5mm Mini Jack: Connect to audio sources or additional K-Speak devices.
- USB Type-C Port: Connect to USB devices for charging or data transfer.
Mounting:
To mount the K-Speak, simply place it on a tabletop.
Connecting:
- Bluetooth Audio: Enable Bluetooth on your device and connect to K-Speak. Use a USB Bluetooth adapter for a stable connection if needed.
- USB: Connect to a USB device for charging or data transfer.
Frequently Asked Questions
- Q: How do I reset the K-Speak device?
- A: Press and hold the Power Button for 8 seconds to reset the system.
- Q: How can I check the battery status?
- A: Press the Power Button shortly to view the charging status using the 5-step light bar indicator.
SAFETY WARNING
Disconnect the unit from the power supply before opening and servicing
For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to these installation instructions may be found.
We welcome your questions, comments, and feedback.
K-Speak Bluetooth Speakerphone
Congratulations on purchasing your Kramer K-Speak high-performance Bluetooth Speakerphone. K-Speak supports a 360° omni-direction audio pickup in a radius of up to 5 meters (when unobstructed) and enables the user to connect to up to 2 devices via Bluetooth, AUX (using the K-Speak Cascade cable, purchased separately) or USB. K-Speak also features auto echo cancellation, auto noise suppression and auto audio gain and can be charged (via USB or a wireless charger, for example, using the Kramer TBUS-1-KWC or KWC-1 charging spots) to perform for up to 8 hours at a time (depending on battery consumption and the environment).
Get to know your K-Speak
| # | Feature | Function |
|---|---|---|
| 1 | + Volume Button | Press to increase the volume level. |
| 2 | – Volume Button | Press to decrease the volume level. |
| 3 | Bluetooth Button | When Bluetooth is not connected, press and hold to turn |
it on.
When Bluetooth is connected, press and hold to disconnect the current Bluetooth connection.
Flashes blue when waiting for Bluetooth connection and lights blue when paired. Flashes white when signal is enhanced via Bluetooth adapter and lights white when Bluetooth feature is turned off.
4| Microphone Mute Button| Press to mute the microphone input.
5| Call Button| Press to answer/hang up a call.
6| Power Button| Press and hold for 2 seconds to turn the device ON/OFF. Press
and hold for 8 seconds to reset the system.
Press shortly to view the charging status (via the 5-step light bar located between the + and – buttons).
Flashes red when charging is required (together with a short audio prompt). Flashes white when the device is charging.
Lights green when fully charged
7| IN/OUT 3.5mm Mini Jack| Connect to an audio source/acceptor or connect to an additional K-Speak device, using the AUX cable: C–A35M/4P–6 / C-A35M/4P-15 ordered separately.
.
When K-Speak power is on, and a second unit is connected, the first connected device is defined as the master device and the second one is the slave.
If you connect the AUX cable to the devices before powering them, the first unit powered is the master and the second is the slave.
All the device features are enabled on the Master device and disabled on the slave device.
8| USB Type-C Port (5V=2A)| Connect to a USB device (for example, a PC) and/or use to charge the K-Speak.
Mounting K-Speak
To mount the K-Speak, simply place it on a tabletop.
- Ensure that the environment (e.g., maximum ambient temperature, humidity & air flow) is compatible for the device.
- Avoid exposing the product to direct sunlight or any other heat source.
- Keep away from children – the product includes small accessories and components.
- Avoid uneven mechanical loading.
- Do not insert any sharp objects into the product.
- Avoid dropping or hitting the product to avoid damaging the product.
- For maintenance, call tech support.
Getting to know your K-Speak
For best results, we recommend that you use Kramer cables included in the package.
Connecting K-Speak
Safety Instructions (See www.kramerav.com for updated safety information)
Caution:
- There are no operator-serviceable parts inside the unit.
Warning:
- Do not open THE unit. High voltages can cause electrical shock! Servicing by qualified personnel only.
Using Bluetooth
When using Bluetooth, enable Bluetooth on your mobile phone or any other device and connect to K-Speak. The Bluetooth device name is located on the K-Speak rear side. If required (for example when using a PC), you can connect the USB Bluetooth adapter to a device (within a 3-meter distance) to make sure you get a stable Bluetooth connection. To do so, connect the USB Bluetooth adapter to the computer (preferably on the side facing the speaker, for better connection). K-Speak connects automatically.
Note that sometimes you need to reconnect to Bluetooth after connecting the adapter. To do so, press the Bluetooth key for 9 seconds and a connection will be established within 30 seconds.
Troubleshooting
| The Problem | Possible Cause | The Solution |
|---|---|---|
| Unable to turn on the device. | Low or no power. | Charge the device. |
| Automatic shutdown. | Low or no power. | Charge the device. |
| No sound. | . | Select the correct input source or adjust the volume. |
Technical Specifications
| Ports | 1 AUX In/Out | On a 3.5mm mini jack |
|---|---|---|
| 1 Audio In/Out + 5V/2A charging | On a USB-C connector | |
| Bluetooth | BT4.2+EDR | |
| Microphone | Type | 6-element Microphone array |
| Pickup Distance | Up to 5 meters | |
| Frequency | 150Hz~8kHz | |
| Sensitivity | -38dBV | |
| S/N Ratio | 65dB | |
| Speaker | Maximum Sound Pressure Level | 80dB SPL@1m |
| Distortion | ≦4% @150Hz~16kHz | |
| Signal-to-noise Ratio | ≥75dB@1m | |
| Frequency Response | 150Hz~16kHz | |
| Controls | Buttons | Power, answer/hang up, mute, Bluetooth, volume +, volume – |
| Indicator lights | Power, Volume, Bluetooth, Mute, Answer/Hang up | |
| Modes | Music mode/Call mode (under Bluetooth mode) | |
| Battery | Battery Capacity | 7.4V/2200mAh |
| Charging Requirement | Wired: 5V, 2A Wireless: 5W | |
| Battery Life on a Single Charge | Up to 8 hours | |
| Environmental Conditions | Operating Temperature | -5° to +40°C (23° to 104°F) |
| Storage Temperature | -20° to +60°C (-4° to 140°F) | |
| Humidity | 10% to 90%, RHL non-condensing | |
| Altitude | Below 5000 meters | |
| Regulatory Compliance | Safety | CE, FCC |
| Environmental | RoHs, WEEE | |
| General | Net Dimensions (Diameter, H) | 12cm x 3.5cm (4.7″ x 1.4″) |
| Shipping Dimensions (W, D, H) | 15.8cm x 22.2cm x 4.8cm (6.2″ x 8.7″ x 1.9″) | |
| Net Weight | 0.4kg (0.9lbs) approx. | |
| Shipping Weight | 0.71kg (1.6lbs) approx. | |
| Accessories | Included | 1 USB Type-C cable, 1 AUX 3.5mm cable, 1 USB dongle |
Specifications are subject to change without notice at www.kramerav.com
SIMPLIFIED EU DECLARATION OF CONFORMITY
Hereby, Kramer Electronics declares that the radio equipment type K-Speak is
in compliance with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available via the
Resources tab on the product page at the following internet address:
https://www1.kramerav.com/product/k-speak