REL Acoustics
REL HT-Air MKII Wireless Transmitter
Best wireless solution for clutter-free home theater subwoofer setups.
Experience true wireless freedom with the REL HT-Air MKII system, designed to transmit bass signals without digital compression or lag. This system is compatible with REL Serie HT MKI and MKII Series subwoofers, offering a seamless setup process. Simply plug in the transmitter and receiver, and they connect automatically using REL's proprietary protocol. Enjoy wide dynamics and arresting sound with a response time of just 17 ms. The HT-Air MKII supports both L-R stereo and .1/LFE transmissions, delivering rich sub-bass signals up to 40 feet.
$149.00
Owner Satisfaction
4.6
/ 5
Category Rank
2
/ 28
#2 in Audio Transmitters
Price vs Category Average
-78%
Below average
Input Connectors
Stereo RCA, LFE input uses Right channel input only
/ Stereo RCA, LFE input uses Right channel input only
Who it's for
- Homeowners seeking flexible subwoofer placement without messy cables
- Audiophiles demanding high-fidelity bass without signal lag
- Users wanting a quick, simple wireless audio upgrade
Who should skip it
- Budget-conscious buyers prioritizing total system value
- Residents in homes with crowded, unstable wireless networks
- Minimalists hoping to eliminate all power cords
Performance breakdown
Signal Latency
Seventeen milliseconds of delay ensures perfectly synchronized, lag-free bass performance.
Setup Simplicity
Automatic pairing makes the installation process virtually effortless for any user.
Transmission Integrity
Zero digital compression maintains the full dynamic range of your audio.
Build Quality
Cast acrylic housing with a hand-applied lacquer finish feels premium.
Wireless Reliability
Proprietary protocol avoids Wi-Fi interference for a stable, consistent connection.
Input Versatility
Supports both stereo and LFE signals for flexible system integration.
Key Specs
Input Connectors
Stereo RCA, LFE input uses Right channel input only
Input Impedance
10k ohms (XLR .1/LFE)
Wireless Output Power
0 dBm
Wireless Effective Distance
40 ft (12 meters) with clear line of site
Mains Input Voltage
5V DC, 5.5mm circular connector, positive center
Power Consumption
600 mWatts
Dimensions
Transmitter: 2.75 x 2.06 x 3.25 in. (70 x 53 x 82.3 mm); Receiver: 2.75 x 2.06 x 3.25 in. (70 x 53 x 82.3 mm)
Finish
Black
Features
- Cable-free transmission of bass signals
- No digital compression or lag
- Easy plug-and-play setup
- Proprietary REL protocol (no Wi-Fi needed)
- Supports L-R stereo and .1/LFE inputs
- Low latency of 17 ms
- Durable cast acrylic case with hand-applied lacquer finish
- Continuous real-time streaming
- Wireless bass transmission
- Zero compression, zero lag
- Simple setup
- High performance
- Long transmission range
What customers say
Customers consistently praise the REL HT Air MKII Wireless Transmitter for its exceptional ease of use and robust reliability. Many highlight the straightforward setup process, allowing for quick integration into existing home theater systems without the hassle of cables. Users appreciate the stable, high quality wireless connection, ensuring consistent audio performance for their subwoofers. This product delivers on its promise of convenience and dependable operation, making it a highly valued addition for enhancing audio setups.
Know before you buy
No, it does not. The system uses a proprietary wireless protocol that creates a direct, dedicated connection between the transmitter and receiver, so it operates independently of your home Wi-Fi.
The HT-Air MKII is designed for high-performance audio with a latency of just 17 milliseconds. This is fast enough to ensure your bass remains perfectly synchronized with your main speakers.
The HT-Air MKII is specifically engineered for use with the REL Serie HT MKI and MKII subwoofer models. It is optimized to handle both L-R stereo and .1/LFE signals for these specific units.
The system has an effective wireless range of up to 40 feet (12 meters) when there is a clear line of sight between the transmitter and receiver.
No, the HT-Air MKII transmits signals without any digital compression. This ensures that the full dynamic range and detail of your sub-bass are preserved from the source to the subwoofer.
The setup is a true plug-and-play process. Once you connect the power and audio cables, the transmitter and receiver automatically pair with each other using REL’s proprietary protocol without requiring manual configuration.
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