HARMAN BTT55L Bluetooth Transmitter User Guide
- June 4, 2024
- Harman
Table of Contents
User Guide
BTT55L Bluetooth Transmitter
Clear Memory Function
Hold the pairing button for >10s will clear the pairing memory and place the
transmitter in active pairing mode. LED will alternately flash red and blue.
Note: After clearing the memory, the transmitter will not exit pairing
mode until a headphone is paired.
PRODUCT OVERVIEW
| LED Indicator | Connection Status |
|---|---|
| Solid Red | No Bluetooth Connection |
| Solid Blue | Headphones Connected |
| Red and Blue Flashing Alternately | Active Bluetooth Pairing Mode |
| LED Off | Transmitter Powered Off |
Pairing with Bluetooth Headphones
-
Press the pairing button on the transmitter to power it ON
-
Put headphones in active pairing mode
-
Press the pairing button on the transmitter until the LED indicator flashes are alternately red and blue. Approximately 5 seconds
Note: Transmitter will automatically enter pairing mode for the initial pairing -
The transmitter will automatically connect to the strongest Bluetooth signal
-
Once Bluetooth pairing is completed LED status indicator will illuminate a solid blue
Note: Do not try to connect multiple Bluetooth devices at the same time.
Model Name: BTT55L Bluetooth Transmitter
Input Voltage: 12VDC
Input Current: 1A
Frequency Response: 10Hz – 20kHz
Max Input Power: 60mW
Weight: 28g Bluetooth Version 5.0
Supports: A2DP v1.3, aptX
Bluetooth Transmitter Frequency Range: 2402 – 2480MHz
Bluetooth Transmitter Power: <4dBm
Bluetooth Transmitter Modulation: GFSK, π/4 DQPSK, 8DPSK
Modulation Technology: BDR/EDR
Transfer Rate : Max EDR up to 3Mbps
Number of Channels: BT: 79 (0~78CH)
Antenna Type : PCB
Important Information
The transmitter will connect to the strongest Bluetooth signal. It is
recommended to only pair headphones one at a time. The Transmitter does not
support audio playback functions, such as PLAY, STOP, PAUSE, FWD, and RWD.
Volume can be adjusted using the volume button on the headphone.
The Bluetooth® word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc., and any use of such marks by HARMAN International
Industries, Incorporated is under license. Other trademarks and trade names
are those of their respective owners.
CAUTION: Radio Frequency Radiation Exposure This equipment complies with
FCC radiation exposure limits set forth for an uncontrolled environment and
meets the FCC radio frequency (RF) Exposure Guidelines. This equipment should
be installed and operated keeping the radiator at least 20cm or more away from
the person’s body in the normal use position.
Reconnection
The transmitter will automatically connect to the strongest Bluetooth signal.
It is recommended to turn the Bluetooth transmitter ON prior to turning on the
headphones.
It is not recommended to pair the same headphones to multiple vehicle
transmitters.
Model: Harman BTT55L
FCC ID: 2AHPN-BE2863
IC ID: 6434C-BE2863
This device complies with part 15 of the FCC Rules and Innovation, Scientific,
and Economic Development (ISED) Canada. license-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) This device must
accept any interference received, including interference that may cause
undesired operation
This Class B digital apparatus complies with Canadian ICES-003.
Additional Headphone Pairings
The transmitter can be paired with up to eight different headphones.
Follow the Bluetooth pairing steps to pair additional headphones.
Bluetooth pairing mode can be canceled by pressing the pairing button for 1
second. It is not recommended to pair the same headphones to multiple vehicle
transmitters.