ANDTOBO
ANDTOBO 3.5mm to 1/4 Adapter, Pure Copper Headphone Jack for Stereo Audio
Bottom line: The ANDTOBO 3.5mm to 1/4 Adapter ($5.99 on Amazon as of 2026-10-21 10:26 UTC): Pure copper audio connection beats the alloy contacts in bargain adapters; main trade-off: passive pass-through only: no USB, Bluetooth or digital conversion.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Pure copper audio connection beats the alloy contacts in bargain adapters
- ✓ Connects 1/4 inch headphones, mics, amps, mixers and keyboards to a 3.5mm jack
- ✓ Compact plug-in body fits a gig bag, instrument case or desk drawer
- ✓ Preserves the original signal type instead of remapping it
Cons
- ✗ Passive pass-through only: no USB, Bluetooth or digital conversion
- ✗ Will not split one output into two audio feeds
- ✗ TRS-to-TRRS mismatches break the signal, so you must match types
- ✗ 3.5mm male to 1/4 female only, not the reverse direction
Manufacturer description
The ANDTOBO 3.5mm to 1/4 adapter solves the connector mismatch that stops a pair of studio headphones, a dynamic microphone, or a keyboard amp cable from plugging into a laptop, phone, or tablet. It takes a 3.5mm (1/8 inch) male plug on one end and accepts a 6.35mm (1/4 inch) female plug on the other, so your existing 1/4 inch gear connects to any device with a standard 3.5mm jack. ANDTOBO builds the audio connection from pure copper rather than the cheaper alloys used in bargain adapters, which improves conductivity and keeps the stereo signal cleaner and more stable over long listening…
SpecPicks Verdict
SpecPicks scored ANDTOBO 3.5mm to 1/4 Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. ANDTOBO's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Will this let me plug my 1/4 inch studio headphones into my laptop?
Yes. The 1/4 inch (6.35mm) female end accepts your headphone plug and the 3.5mm male end goes into the laptop headphone jack. Match TRS to TRS so the stereo signal passes through correctly.
Does this adapter convert audio to USB or Bluetooth?
No. It is a passive analog adapter that keeps the original audio signal type. It does not convert to USB, Bluetooth, or any digital format, and it does not split audio into two outputs.
What is the difference between TRS and TRRS, and why does it matter here?
TRS carries stereo audio; TRRS adds a fourth conductor for a microphone. This adapter passes the signal through unchanged, so pair TRS with TRS and TRRS with TRRS or the connection will not work as expected.
Can I use it the other way, plugging a 3.5mm plug into a 1/4 inch jack?
No. This is 3.5mm male to 1/4 inch female only. For the opposite direction you need a 3.5mm female to 1/4 inch male adapter instead.
Is it good enough for a keyboard or mixer, or only for casual listening?
ANDTOBO uses a pure copper audio connection for better conductivity than ordinary low-cost adapters, and lists keyboards, mixers, amps, speakers, and studio gear among the intended uses.
Key Features
- Pure Copper for Clearer Sound – Built with a pure copper audio connection for better conductivity than ordinary low-cost adapters, helping deliver cleaner, more stable stereo sound for daily listening and audio gear.
- 3.5mm Male to 1/4 Female – Connect 6.35mm / 1/4 inch headphones, microphones, speakers, amps, mixers, keyboards, and other audio plugs to devices with a 3.5mm / 1/8 inch jack.
- Made for More Audio Setups – Useful for home audio systems, studio equipment, music practice, keyboard setups, speaker connections, office devices, laptops, tablets, phones, and travel audio kits.
- Compact and Easy to Carry – Small plug-in design fits easily in a bag, desk drawer, instrument case, or studio kit, giving you a quick connection without using a long cable or bulky converter.
- Simple Compatibility Note – This adapter keeps the original audio signal type. Match TRS with TRS or TRRS with TRRS; it does not split audio or convert to USB, Bluetooth, or digital signals.
Full Specifications
| Brand | ANDTOBO |
|---|---|
| Color | 3.5mm Male to 1/4 Female -1PACK |
| Finish | Gold |
| Unit Count | 1 Count |
| Connectivity | Bluetooth, USB |
| Model Number | ANDTOBO-P102 |
| Input Voltage | 220 volts |
| Warranty Type | Lifetime |
| Connector Type | Auxiliary |
| Item Dimensions | 2.36 x 0.39 x 0.39 inches |
| Mfr Part Number | ANDTOBO-P102 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Power Plug Type | No Plug |
| Compatible Devices | Speakers, Headphones, Guitar, Digital Piano, Amplifiers, Audio Mixer, Sound Console ect. |
| Item dimensions L x W x H | 2.36 x 0.39 x 0.39 inches |
Ready to buy?
ANDTOBO 3.5mm to 1/4 Adapter, Pure Copper Headphone Jack for Stereo Audio is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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