SKU: 62579392406

Hollyland OWS Monitor Earphone (Space Gray, 2.4 GHz)

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Description

Hollyland OWS Monitor Earphone (Space Gray, 2.4 GHz)Hollyland OWS Monitor Earphone (Space Gray, 2. 4 GHz) The Hollyland OWS (Open Ear Wireless) Monitor Earphone in Space Gray is a specialized, zero tether audio monitoring solution designed primarily to integrate with the LARK MAX 2 wireless microphone system. Unlike standard consumer wireless earbuds that rely on heavy software buffering and Bluetooth compression protocols, the OWS Monitor Earphone operates on a dedicated 2. 4 GHz radio pipeline. This

Hollyland OWS Monitor Earphone (Space Gray, 2.4 GHz)

The Hollyland OWS (Open-Ear Wireless) Monitor Earphone in Space Gray is a specialized, zero-tether audio monitoring solution designed primarily to integrate with the LARK MAX 2 wireless microphone system.

Unlike standard consumer wireless earbuds that rely on heavy software buffering and Bluetooth compression protocols, the OWS Monitor Earphone operates on a dedicated 2.4 GHz radio pipeline. This approach enables real-time, zero-delay audio monitoring, allowing solo filmmakers, videographers, and live-streamers to track vocal details and environmental acoustics without being physically cabled to the camera's receiver.


1. Zero-Latency Dual-Band 2.4 GHz Monitoring Engine

Traditional Bluetooth monitoring introduces an audio lag of 40 ms to 300 ms, which creates a distracting echo effect and makes it nearly impossible to precisely judge lip-sync or capture split-second performance cues on set. The OWS earphone bypasses this limitation completely:

  • Real-Time Transmission Speed: Operating on Hollyland’s proprietary One-Wireless System (OWS) protocol, it drops latency down to an incredibly fast 25 ms (from Transmitter to OWS earphone).

  • Adaptive Frequency Hopping (AFH): To withstand crowded RF environments like convention centers, weddings, or busy city streets, the 2.4 GHz engine continuously scans the local spectrum. It automatically shifts the audio feed to the clearest available channel to maintain a solid connection and prevent dropouts.

  • 100-Meter Operational Radius: Content creators can move freely up to 100 meters away from the camera-mounted receiver while maintaining clear, uninterrupted real-time audio monitoring.

2. Open-Ear Ergonomics & Situational Awareness

Traditional in-ear monitors (IEMs) seal off the ear canal, causing physical fatigue over a long shoot and completely blocking out ambient sound. The OWS design takes a completely different physical approach:

  • No-Insertion Open-Ear Architecture: The speaker driver floats naturally just above the ear canal without plugging it. This design distributes weight evenly and guarantees all-day comfort during marathon shooting schedules.

  • Adjustable Mechanical Ear Hooks: Built with a flexible, skin-friendly material, the ear hooks can be easily adjusted to match different ear shapes. This structure ensures a secure, slip-free fit when tracking fast-moving action or filming while walking.

  • Situational Safety Monitoring: By keeping the ear canal open, solo operators can monitor their live recorded audio while staying completely aware of their surrounding environment—such as oncoming traffic, incoming crew calls, or direct feedback from director cues.

3. Studio-Grade Full-Chain Fidelity

Rather than downsampling the wireless signal to preserve bandwidth, the OWS earphone is tuned to deliver the true fidelity of the master recording:

  • Lossless Audio Chain Mapping: The earphone preserves the crisp detail, wide dynamics, and low-noise floor of the LARK MAX 2’s 32-bit float signal path.

  • Pinpoint Artifact Detection: The driver tuning targets a highly balanced response curve across the mids and highs. This flat profile allows videographers to immediately catch subtle audio problems on set—such as popping plosives, wind clipping, mouth clicks, or background hums—before wrapping a scene.

4. Hybrid Dual-Mode Connectivity & Endurance

  • Instant 2.4 GHz / Bluetooth Switching: Tripling the action button on the earphone housing allows it to double as a casual, everyday pair of headphones. It can shift instantly from its zero-latency 2.4 GHz video production mode to standard Bluetooth mode to handle smartphone music playback and voice calls.

  • 18-Hour Production Battery Pipeline: Each individual earphone houses an efficient 90 mAh rechargeable cell. When used in tandem with its custom charging case, the system provides up to 18 hours of total battery life (or up to 7 hours of continuous listening per charge), with a rapid refresh cycle of just 1.6 hours over USB-C.


Technical Summary

  • Product Type: Open-ear wireless production monitoring earphone.

  • Ecosystem Compatibility: Custom engineered for the Hollyland LARK MAX 2 wireless system.

  • Wireless Technology Layers: Dual-Mode: Proprietary 2.4 GHz GFSK (Production monitoring) / Consumer Bluetooth (Media playback).

  • Wireless Transmission Limit: Up to 100 meters line-of-sight range.

  • System Monitoring Latency: Ultra-low 25 ms benchmark.

  • Audio Engineering Fit: Dual-earpiece open-ear hook profile.

  • Power Framework: 90 mAh built-in rechargeable battery; 18 hours total runtime with case; 1.6-hour charging threshold via USB-C.

  • Box Contents: 2x OWS Monitor Earphones (Left/Right), 1x Dedicated Earphone Charging Case, 1x USB-C to USB-C Cable, 1x 3.5 mm TRS to 3.5 mm TRS Cable, 1x Quick Start Guide.

The Hollyland OWS Monitor Earphone is a valuable workflow asset for modern creators who need to balance mobility with precision sound tracking. By combining an ultra-low 25 ms latency, a secure open-ear design that maintains environmental awareness, and hybrid Bluetooth functionality, it removes the hassle of tangled audio cables and simplifies single-operator film and stream productions.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 62579392406

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4.8 ★★★★★
Based on 9 reviews
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Verified Purchase
BillV
Natrona Heights, US
★★★★★ 5
As advertised
Size: 32mm
Perfect for what I wanted it for
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2024
R
Verified Purchase
Ryan
Whiting, US
★★★★★ 5
Works great, do the double drain for best results
My 06 Altima (185k miles) had been burning massive amounts of oil (like 4 quarts every 800 miles) due to a leaking PCV valve hose that took forever for me to narrow down (months). So after getting that under control I figured I needed to decontaminate the poor engine. When using this I idled my car to operating temp (about 8 minutes). Poured the bottle in, idled it for another 15 minutes. Drained the oil (black and thick). Put the plug back in, poured about 2.5qts of new oil in. Idled it for 10 minutes. Drained that (black but much thinner). Took the old filter off. Let both areas drain for 10 minutes. Put the plug back in, put the new filter on and filled with the 4.6qts of new oil my car calls for. Ran for a few minutes (like 2 with a few revs) and then let sit for 10 mins before checking the level. When I checked my dipstick it was so clean I thought I had a leak because I couldn't see it on any of the crosshatch. I ended up having to go by touch to get the reading. This stuff is amazing.
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Reviewed in the United States on November 15, 2025
T
Verified Purchase
T. Lee
West Palm Beach, US
★★★★★ 5
Worked for me! Definitely recommend!
Used a whole can in my 2009 Civic 1.8L with 150k miles. I can honestly say, this helped remove a lot of sludge out of the engine. The oil came out with a water-like texture and super dark! Before taking out the oil filter, I added new lower cost oil to the engine and let the engine run for about 5 minutes to get that extra flush! You can definitely see all the extra sludge in the new oil! Drained and refilled with new oil and filter. The engine definitely sounded quieter and smoother than before! If you value your car, I would definitely recommend doing this flush on your higher mileage cars every 50k miles or so! Definitely recommend this LiquiMoly product!
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Reviewed in the United States on May 11, 2025
J
Verified Purchase
JJ
West Palm Beach, US
★★★★★ 5
3rd Update! See review... Good stuff and works as advertised...
Update - 3rd oil change/flush. Engine oil draining from engine is waaaay cleaner than my first flush. Probably won't need to do a 4th time for several changes. I added Ceratec at this change and am amazed how much better the engine performs since my initial flush. Less clatter and very smooth idle. (Jeep 4.0 I6) Update- 2nd change and used the flush again. About 7000 miles from first use. The oil was cleaner and less "gunky" as first time but oil was definitely dirtier than normal. Right away noticed off idle throttle response improved. Then on a drive I take regularly with a mountain pass and long downhill I noticed that even tho the jeep downshifted out of OD it took much less throttle to hold 65 up a long grade. On the downhill normally I would see 50-60 mpg max on the digital readout. This time. It went to 99 which to me indicates more vaccum below the throttle plate. My guess is the rings freed up a bit more than the first flush and highway mileage is up to 23+ where I would get 21 before. Nice! Used in 2001 Jeep Grand Cherokee. 140k miles and a ticking lifter (common in the 4.0 - 6 cylinder...). Definitely cleaned sludge (oil filter very heavy!) and oil was dark when draining. Idles smoother, oil stays cleaner longer, slight oil pressure increase and runs cooler. The lifter still ticks but probably a cam lobe issue. Will use it after 7500 miles or 1 year. Will report back after next change.
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Reviewed in the United States on February 22, 2017
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Verified Purchase
J N Brown
Battle Creek, US
★★★★★ 5
Tips and tricks
I watched several videos by professionals who used this. Follow instructions. Make sure the engine is warm before you put it in. Make sure you have everything you need. The biggest tip I got that was repeatedly emphasized by the pros was to buy a “cheap” oil in addition to the new oil. After you run the flush drain the oil and flush. Put the cheap oil in and “rinse” the inside of the engine with the cheap oil. Then drain again. Replace the oil and filter with your good stuff. I followed these instructions or suggestions and…. I sat in the truck while the flush was running. It’s a 13 year old truck with 150,000 miles. It was running strong but burning oil and kind of loud. Sounded like it was growling. There were some ticking type noises that made me nervous. As I sat in the truck and let the flush cycle through the engine at idle I could literally hear the flush working. Very slowly it was like someone gave the engine a Xanax and you could hear it getting quieter and calming down. I drained, rinsed with cheap oil only letting the cheap oil run through at idle for another 15 minutes then drained again. The oil flush was clearly important. It didn’t come out as black as the first drain but it looked like old nasty oil. The truck is no longer burning oil. My gas mileage has increased significantly and it is running so quiet and smooth it’s unbelievable. I used a little less of the liquid Molly flush than it called for regarding the flush to oil ratio. I didn’t want to do something too intense to the inside of the engine. But the results were remarkable. Just as advertised after following the instructions. I also added the liquid Molly oil additive to the final oil change to ‘lube’ the inside of the engine. I plan to do another flush in about 10,000 miles. All that to say, yes, you won’t be disappointed as long as you follow instructions and a few tips and tricks. My truck is almost running like a brand new truck and again it’s an old and tired truck. I will use this as part of a high mileage maintenance and perform the flush every 50,000 miles or so. I feel confident it will extend the life of my engine based on the results
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Reviewed in the United States on February 9, 2024

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