Review: The Antop HD Smart Bar – The Best Indoor Amplified TV Antenna?

Apr 9, 2022

The Antop HD Smart Bar AT-500SBS has some innovations which could make it the best indoor TV antenna for you.

I’ve tested a lot of indoor antennas over the years, and I’ve found the unamplified Mohu Leaf to perform the best time and time again. However, I was intrigued when Antop came out with their amplified HD Smart Bar antenna. It has some innovative mechanical and electrical design features that I had to check out. Could the reign of the Mohu Leaf be in jeopardy?

What Is It?

The Antop HD Smart Bar is a broadcast TV antenna. If your TV was made after 2006 (and it is truly a TV and not a “display”), you should be able to plug a TV antenna into your TV and get FREE high-definition broadcast TV, as long as you live in or near a major city with broadcast TV towers nearby. If you hate paying for cable or satellite TV, I highly recommend checking the Station Finder to see if there are broadcast channels in your area.

The HD Smart Bar is an amplified TV antenna. That means it requires power for circuitry that increases the level of your TV signal.

Why I Was Intrigued by This Antenna

There are so many indoor TV antennas out there, so why was I excited about this one? First, is the physical size; it’s larger than many other indoor antennas, making it potentially better at receiving low-frequency VHF signals, which are almost always problematic for people to pick up.

I was also intrigued by the mounting options. You can let it stand vertically on the floor or screw it to a wall, giving your placement options. And with indoor antennas, good placement is about 95% of the battle.

The Antop HD Smart Bar AT-500SBS with accessories
The Antop HD Smart Bar AT-500SBS with accessories. Note, the cable coming from the antenna is not detachable.

Also very important: the pre-amplifier is right IN the antenna, where it gives the greatest benefit. Some cheaper amplified antennas have an external amplifier box near your TV, which is the worst place for it. You want it right at the antenna so it can amplify the cleanest signal.

With the HD Smart Bar, there is a Power Booster unit near your TV where power is available. It sends power back through your antenna’s coax cable to the pre-amplifier that is actually inside the antenna bar. Pretty cool.

It also has a built-in LTE filter to shield against cell tower interference. I’ve not seen this feature in many other antennas on the market.

Setup and Installation

Compared to a non-amplified antenna, there’s significantly more setup involved with a powered antenna. Basically, you need to connect power to the Power Booster module, then connect that to your TV and to your antenna as shown here:

Antop HD Smart Bar connections
Antop HD Smart Bar connections (from the Antop HD Smart Bar manual)

There is also an output for an FM antenna, but most people probably don’t even have an FM radio in their homes. More handy might be to connect that output to a Tablo or other broadcast TV DVR.

It’s not super difficult to set up if you’re comfortable connecting coax cables and following instructions.

My Testing

For my testing, I used the Mediasonic HOMEWORX Digital Converter Box HW130STB as my tuner because it has a handy signal strength meter.

The Mediasonic HOMEWORX Digital Converter Box HW130STB signal strength meter
The Mediasonic HOMEWORX Digital Converter Box HW130STB signal strength meter

The first thing I did was pit the HD Smart Bar against my Mohu Leaf (with RG-6 cable, not the included cable!). I checked the signal strength of my local Los Angeles ABC station, channel 7.1, because it is a Hi-VHF station which is sometimes tricky to pick up. On my signal strength meter, my Mohu Leaf registered 4 purple dots of strength, while the Antop HD Smart Bar got 5-6 dots, indicating a stronger signal. So far so good for the HD Smart Bar!

Next, I did a channel scan with each antenna. The HD Smart Bar picked up 103 channels while the Leaf got 114 channels. While this seems like a victory for the Leaf, it’s really kind of a tie since both performed similarly with the most popular channels (i.e., the major networks).

Both had trouble picking up channel 4.1 but other than the problematic network channels were a little different. The HD Smart Bar had trouble with 5.1 and 11.1, while the Mohu Leaf had trouble with 9.1 and 13.1.

Keep in mind though, that antenna location was optimized for channel 7.1. By moving the antennas around, I was able to get all of the networks on both antennas. It does show that the strengths and weaknesses of these antennas are slightly different. So, if you’re using the Leaf and have a marginal channel, then it’s possible the HD Smart Bar might be able to pick it up (the reverse is also true; the Leaf might pick up a channel the HD Smart Bar has trouble with).

To be thorough, I re-tested both antennas in different areas of my home and during different times of day. Here are the results:

ConditionsMohu Leaf with RG6 cableAntop HD Smart Bar
By window114 channels103 channels
By window (new position)105 channels125 channels
By window (next day)96 channels118 channels
By door141 channels137 channels
By door at night131 channels119 channels
Number of channels received in Los Angeles with the Mohu Leaf vs. the Antop HD Smart Bar

So what does this mean? Within the margin of error of these tests, it’s basically a tie, but that’s actually quite a feat for the HD Smart Bar. As I mentioned, most other antennas I’ve tried didn’t perform as well as the Leaf, especially amplified antennas.

Should You Get It?

In every case, an outdoor antenna will get you more channels than an indoor antenna. But, for various reasons, not everyone can install an outdoor TV antenna.

The Antop HD Smart Bar AT-500SBS packaging
The Antop HD Smart Bar AT-500SBS packaging

If you’re looking to buy an indoor antenna for the first time, and you live in or near a large city, the Mohu Leaf is probably your best bet, at least to start with. The same goes if have mostly green channels on the Station Finder.

If, on the other hand, you’re getting yellow and red channels on the Station Finder (and you’re not able to mount a rooftop antenna), then the HD Smart Bar might get you more channels than a non-amplified antenna like the Leaf.

Also, if you’re using a Mohu Leaf or other indoor antenna, and you have a flakey channel that drops in and out, the HD Smart Bar might be able to pick it up, especially if it is a VHF channel. Check the Station Finder for your area. The channels that say “Hi-V” or “Low-V” are VHF.

Conclusion

I’d love to hear how this antenna works for you! Please leave your comments or questions below. – Brian

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Brian Shim

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