An optical audio splitter allows you to distribute one digital audio source to multiple speakers or sound systems. This is useful when your TV, media player or decoder only has one optical output, but you want to play the sound in multiple rooms or through multiple systems. All without quality loss and without complex installations.
More and more households and professional environments work with multiple audio zones. An optical audio splitter makes it easy and reliable to achieve this using existing equipment.
What is an optical audio splitter
An optical audio splitter, also called a Toslink splitter, distributes a single digital audio signal across multiple optical outputs. The splitter copies the signal and sends it simultaneously to connected audio systems.
Because the signal remains digital, there is no audible loss of quality. The light signal stays stable even when multiple devices are connected at the same time.
When to use an optical splitter
Using multiple audio systems at the same time
Sometimes you want to run multiple audio setups in parallel. For example, a surround system for movies and a separate amplifier for music. With an audio splitter you don’t need to switch cables and everything stays permanently connected.
Audio distribution in professional environments
In shops, offices or hospitality venues the same audio often plays in multiple zones. An optical audio splitter distributes the signal reliably without expensive matrix systems or complex configurations.
Listening and recording at the same time
During gaming or content creation you may want to monitor and record audio simultaneously. An optical audio splitter sends the same signal to your speakers and to recording equipment without delay.
Backup audio solution
In environments where continuity is important, you can connect a second audio system as a backup using a splitter. If one system fails, the audio signal remains available.
What to look for when choosing an optical audio splitter
Number of outputs
Decide in advance how many devices you want to send the audio signal to:
- 1 input and 2 outputs for simple setups
- 1 input and 4 outputs for larger installations or multiple zones
Preferably choose a splitter that allows future expansion.
Support for audio formats
A good optical splitter supports modern audio formats such as:
- LPCM for uncompressed stereo audio
- Dolby Digital and DTS for surround sound
- Sample rates up to 192 kHz for optimal sound quality
- Noise-free audio transmission
No delay
For video and gaming, synchronized audio and video are important. A high-quality splitter passes the signal through without noticeable delay and prevents lip-sync issues.
Active or passive
Some splitters work without power, while others require external power. For professional applications or longer cable distances, an active splitter offers extra stability.
Split TS12
Split TS14
Connecting an optical splitter in four steps
The installation is straightforward:
- Connect the audio source to the splitter input using an optical cable
- Connect the outputs to your speakers or amplifiers
- Provide power to the splitter if required
- The audio signal will be distributed automatically
Use high-quality optical cables to prevent bends and signal loss.
Frequently asked questions about optical audio splitters
Can I use a splitter as a switch?
No. A splitter distributes one source to multiple outputs. For multiple sources to one output you need an Optical switch.
Is there any loss of quality?
With a digital optical splitter the signal remains intact. All outputs receive exactly the same audio signal.
Can I connect multiple splitters together?
This is technically possible, but every extra connection affects signal strength. One splitter with enough outputs is the most stable solution.
Reliable optical audio splitters from Marmitek
Marmitek offers optical audio splitters for home use and professional installations.
Split TS12 distributes one optical signal to two outputs. This model is ideal for simple multi-room setups and dual audio configurations.
Split TS14 distributes one signal to four outputs and is suitable for larger installations and professional audio distribution.
Both models support common audio formats, operate without delay and comply with the S/PDIF and Toslink standards.
Choose the right optical audio splitter for your situation
An optical audio splitter offers a simple way to distribute digital audio without compromising quality. Whether it’s a home with multiple listening zones or a business environment with fixed audio distribution, the right splitter provides a stable and organized solution.
Want to know which audio splitter best fits your setup? View them here.
