Bluetooth Audio Link 2in1 TxRx 450-12 - Receiver SANDBERG - Free user manual and instructions
Find the device manual for free Bluetooth Audio Link 2in1 TxRx 450-12 SANDBERG in PDF.
| Product Type | Bluetooth Audio Adapter 2-in-1 (Receiver/Transmitter) |
| Brand | Sandberg |
| Model | Bluetooth Audio Link 2in1 TxRx 450-12 |
| Category | Receiver (also Transmitter) |
| Bluetooth Version | 5.0 |
| Wireless Range | Up to 10 meters |
| Audio Codecs | aptX Low Latency, SBC |
| Audio Input/Output | 3.5mm stereo jack (AUX) |
| Power Supply | USB (5V, 500mA) |
| Battery Type | Built-in rechargeable lithium-ion |
| Battery Life | Up to 10 hours (receiver mode) |
| Charging Time | Approx. 2 hours |
| Dimensions | 50 x 50 x 20 mm (approx.) |
| Weight | 20 g (approx.) |
| Frequency Range | 2.4 GHz |
| Operating Temperature | 0°C to 40°C |
| Material | Plastic |
| Included Accessories | USB charging cable, 3.5mm audio cable, user manual |
| Certifications | CE, FCC |
| Compatibility | Smartphones, tablets, TVs, PCs, gaming consoles |
| Special Features | Switchable TX/RX mode, low latency audio |
| Maintenance & Care | Keep dry, clean with soft cloth, avoid extreme temperatures |
| Safety | Do not disassemble, avoid short circuits, use certified USB charger |
| Spare Parts & Repairability | No user-serviceable parts; contact Sandberg support for issues |
| General Information | Sandberg Bluetooth Audio Link 2in1 TxRx 450-12 is a versatile audio adapter that can both transmit and receive Bluetooth audio, allowing you to upgrade non-Bluetooth devices. |
Frequently Asked Questions - Bluetooth Audio Link 2in1 TxRx 450-12 SANDBERG
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Download the instructions for your Receiver in PDF format for free! Find your manual Bluetooth Audio Link 2in1 TxRx 450-12 - SANDBERG and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. Bluetooth Audio Link 2in1 TxRx 450-12 by SANDBERG.
USER MANUAL Bluetooth Audio Link 2in1 TxRx 450-12 SANDBERG

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www.sandberg.world
Product overview

- USB-C charging-port
- On/Off power button
- Tx/Rx button
-
Reset button
-
Minijack input/output
- Minijack Female to Minijack Female adapter
- Charging cable USB-C to USB-A
Power button LED overview
| Light Color Meaning | |
| Blinking White/orange Pairing mode | |
| Off after pairing None Connected | |
| Blinking x3 /30 sec Red Battery low | |
| Constant Red Charging | |
| Off when charging None Fully charged |
Power button functions
| Press Function | |
| 3 sec ON when OFF | |
Reset button functions
| Press Function | |
| 5 sec Reset pairing | |
| Short Disconnect |
Charging
- Use the enclosed USB-A to USB-C cable
- Charge the built in battery or keep it on the USB power
• Auto power off after 5 minutes with no activity

Set up as a Bluetooth receiver (Rx-mode)
![graph TD A["AUX in"] --> B["optional adapter"] B --> C["Cooperable device with TX RX"] C --> D["3 sec time indicator"] D --> E["Mobile phone with Bluetooth icon"] E --> F["Go to Settings/Bluetooth on the device"] F --> G["Look for "Sandberg 450-12" to appear and click for pairing"] G --> H…](/content/2026/07/1411609/images/74e132fb743cc745bad2fbd4119d04d3e032e647a5cd522e768fcbafd0dc3fd3.jpg)
Set up as a Bluetooth transmitter (Tx-mode)

Bluetooth pairing for Tx-mode

Activate pairing mode on your headphones.
CE
Declaration of Conformity
Manufacturer: Sandberg A/S
Address: Bregneroedvej 133D, 3460 Birkenoed, Denmark
Product description: Bluetooth Audio sender+receiver
Product name/Type no: Sandberg Bluetooth Audio Link 2in1 TxRx 450-12
We declare under our sole responsibility that the products, to which this declaration relates, are in conformity with the Council Directives on the approximation of the laws of the EEC Member States relating to the following:
CE letter of conformity
(RED) 2014/53/EU
(RoHS 2.0) 2011/65/EU
Following standards were applied:
RED-EMC: EN 301 489-1 V2.2.3
EN 301 489-17 V3.2.4
RED: RED-EMF: EN 62479,2021
Date: 22 nd October 2021
Location: Birkeroed, Denmark
Name: Anders Petersen


Sandberg®
Support
http://helpdesk.sandberg.world
Warranty
There is a five-year warranty on your Sandberg product. Please read the warranty terms and register your new Sandberg product at www.sandberg.world/warranty
5
Years Warranty
For information on handling electronic waste, see www.sandberg.world/weee
