1 / 7YNIBST S-2-A Adjustable Cup Holder Radio Mount
The YNIBST S-2-A is an adjustable cup holder mount for handheld radios and speaker or CB microphones. Its expandable base and swivelling head are intended to position a clipped device within reach, but fit depends on the vehicle cup holder and the device’s attachment style.
At a glance
- The base is claimed to expand from 6.2 cm to 9.4 cm in diameter to fit different cup holders.
- Height adjusts from 12 cm to 22 cm, measured from the top of the base, and the ball joint rotates 360°.
- The listing says it holds radios or microphones with a belt clip or button-type attachment.
- A double-jointed arm and anti-slip pads are described as features for stability. The listing does not provide independent performance evidence.
Pros and cons
Pros
- Adjustable base diameter and height offer flexibility across cup-holder sizes and seating positions.
- The ball joint allows the mounted device to be angled, while the listing describes use with clipped handheld radios and microphones.
- Installation is described as tool-free, with instructions included.
Technical specifications
6 specifications| Brand | YNIBST |
|---|---|
| Model | S-2-A |
| Mounting type listed | Cup Holder Mount |
|---|---|
| Dimensions listed | 7.6 x 7.6 x 15.2 centimetres |
| Weight listed | 0.24 kg |
| Material listed | Plastic |
|---|
What to know before buying
Listing details to confirm
The listing also describes several different mounts, including air-vent, handlebar, edge-clamp and drill-base designs, while the selected product title and mounting details identify a cup holder mount. Confirm the selected listing’s exact design and fit. The stated dimensions appear in two slightly different forms, and compatibility is described broadly rather than by specific device measurements. The claimed cup-holder range is 6.2 cm to 9.4 cm, and the device must have a belt clip or button-type attachment.
What’s in the box
Included- Owner's manual
Who is it for?
A good fit for
- Drivers or vehicle occupants who want a handheld radio or clipped microphone positioned in a cup holder.
- Buyers whose cup holder measures within the claimed 6.2 cm to 9.4 cm base-expansion range and whose device has a belt clip or button-type attachment.
Less suited to
- Anyone needing a dashboard, windshield, air-vent or handlebar installation rather than a cup-holder base.
- Devices without the described belt clip or button-type attachment, unless compatibility is confirmed.

Customer reviews on Amazon
- 5 stars
65% 65% - 4 stars
17% 17% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
18% 18%
The supplied evidence contains aggregate ratings but no customer-comment summary. The ratings are uneven, with a majority in the five-star category alongside a notable one-star share. That offers limited evidence of varied satisfaction, but does not explain the reasons or establish how well the mount fits particular vehicles or radios.
Frequently asked questions
What kind of mount is the YNIBST S-2-A?
The product title and mounting details identify it as a cup holder mount. Other mount designs appear elsewhere in the listing, so confirm that the selected option is the cup-holder version.
What size cup holders does it claim to fit?
The feature description claims an expandable base diameter of 6.2 cm to 9.4 cm.
Which radios and microphones can it hold?
The listing describes handheld radios and microphones with a belt clip or button-type attachment. It does not provide specific device dimensions or confirm fit for every model.
Can the mount be repositioned?
The listing claims height adjustment from 12 cm to 22 cm, measured from the top of the base, plus 360° rotation at the ball joint.

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