REL Acoustics
REL Acoustics HT-Air Mk II Wireless System
Best wireless solution for clutter-free, high-performance home theater subwoofer placement.
Experience seamless, high-fidelity audio with the REL HT-Air MKII Wireless Transmitter. This system bypasses digital compression, delivering the widest dynamics and best sound for your REL Serie HT subwoofers. Designed for effortless setup, it pairs in seconds and offers a lightning-fast response of approximately 17 ms. Its robust, cubic design features a cast acrylic case with a hand-applied lacquer finish, ensuring both durability and aesthetic appeal. Enjoy the freedom of wireless transmission up to 40 feet, with support for both stereo RCA and LFE/.1 inputs, bringing exceptional sub-bass performance to your home theater. The REL Acoustics HT-Air MKII is a wireless transmitter and receiver system designed for high-performance audio transmission. It utilizes a 5.8 GHz wireless protocol for uncompressed, real-time streaming of music and movie audio, offering wide dynamics and excellent sound quality. The system supports both Low Level (RCA-RCA) and LFE/.1 (single RCA) transmissions, with an effective wireless range of up to 40 feet. Its robust cast acrylic case and hand-applied lacquer finish reflect REL's commitment to quality craftsmanship. Setup is simple, requiring just a tap of buttons on the transmitter and receiver. Experience unparalleled audio freedom with the REL Acoustics HT-Air Mk II Wireless System. This advanced wireless system is engineered to deliver zero compression and maximum dynamics, leaving traditional Bluetooth systems far behind. With an impressively low latency of 16-20 milliseconds, it ensures a seamless, high-fidelity audio experience. The HT-Air Mk II allows you to position your subwoofers optimally without the clutter of unsightly cables, maintaining REL's commitment to top-tier wireless performance and dynamic sound reproduction in your home.
$149.00
Owner Satisfaction
4.5
/ 5
Category Rank
35
/ 172
#35 in Bluetooth Transmitters
Price vs Category Average
+44%
Above average
Input Impedance
10
/ k ohms
Who it's for
- Homeowners seeking flexible subwoofer placement without messy cable runs
- Audiophiles demanding perfect synchronization between speakers and subwoofers
- Users wanting a quick, hassle-free home theater installation
Who should skip it
- Budget-conscious buyers prioritizing cost-effective audio solutions
- Residents in crowded wireless environments prone to signal interference
- Home theater owners with limited available electrical wall outlets
Performance breakdown
Audio Fidelity
Uncompressed 5.8 GHz transmission preserves the full dynamic range of sub-bass.
Latency Performance
Near-instant 17ms response ensures perfect synchronization with your main speakers.
Setup Simplicity
One-tap pairing makes connecting your subwoofer effortless and frustration-free.
Build Quality
Cast acrylic with a hand-applied lacquer finish offers premium durability.
Signal Reliability
Dedicated wireless protocol effectively bypasses common home Wi-Fi interference.
Placement Flexibility
Forty-foot range allows for optimal subwoofer positioning without unsightly cable clutter.
Key Specs
Input Impedance
10k ohms
Wireless Output Power
0 dBm
Mains Input Voltage
5V DC, 5.5mm circular connector, positive center
Power Consumption
600 mW
Transmitter Dimensions
2.75" x 2.06" x 3.25"
Receiver Dimensions
2.75" x 2.06" x 3.25"
Wireless Effective Distance
40 ft (12 meters)
Latency
~17 ms
Features
- High-performance wireless transmission at 5.8 GHz
- Completely free of digital compression for superior sound
- Easy, one-button pairing process
- Dedicated REL protocol eliminates Wi-Fi interference and complexity
- Robust cast acrylic case with hand-applied lacquer finish
- Supports both L-R stereo RCA and .1/LFE inputs
- Designed to complement REL Serie HT subwoofers
- High-performance wireless audio transmission at 5.8 GHz
- Uncompressed, real-time streaming for wide dynamics
- Supports Low Level (RCA-RCA) and LFE/.1 (single RCA) inputs
- Effective wireless range up to 40 feet
- Lightning-fast response time of approximately 17 ms
- Robust cast acrylic case with hand-applied acrylic lacquer finish
- Simple, one-tap pairing between transmitter and receiver
- Dedicated wireless protocol eliminates conventional Wi-Fi interference
- Zero compression and maximum dynamics for superior audio quality.
- Ultra-low latency of 16-20 milliseconds for a lag-free experience.
- Enables flexible subwoofer placement without the need for cables.
- Maintains REL's high standards for wireless audio technology.
- Designed to outperform older Bluetooth-based wireless systems.
What customers say
Customers consistently praise the REL Acoustics HT Air Mk II Wireless System for its exceptional ease of use and reliable performance. Many highlight the straightforward setup process, allowing for quick integration into existing home theater systems without the hassle of long cables. Users appreciate the stable wireless connection, noting a lack of latency or signal degradation, which ensures the subwoofer's powerful bass remains impactful and precise. This system offers significant placement flexibility, enhancing the overall aesthetic and functionality of their audio setups. Its ability to deliver high quality audio wirelessly makes it a highly valued addition.
Know before you buy
No, it uses a dedicated 5.8 GHz wireless protocol specifically engineered by REL. This allows for uncompressed, real-time audio transmission that avoids the digital compression and interference common with standard Bluetooth systems.
The HT-Air MKII is designed for high-performance audio with an ultra-low latency of approximately 17 milliseconds. This ensures that your subwoofer output remains perfectly synchronized with your main speakers for a seamless cinematic experience.
While the HT-Air MKII is specifically optimized to complement the REL Serie HT line, it is compatible with any subwoofer that accepts Low Level (RCA) or LFE/.1 inputs. However, performance may vary depending on the specific subwoofer's design.
The system offers an effective wireless range of up to 40 feet. For the best performance, ensure there is a clear line of sight between the transmitter and receiver.
Not at all. The system features a simple, one-tap pairing process that links the transmitter and receiver in seconds without requiring complex network configurations.
Yes, the HT-Air MKII supports both L-R stereo RCA inputs and dedicated .1/LFE inputs, making it versatile enough for both music-focused and home theater-heavy setups.
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