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TENEALAY X21 2 Way Audio Mixer 3.5mm Unpowered Mixer, 2 to 1 Stereo Aux Line Levels Control Box

3.6 out of 5 stars 161 ratings

To see product details, add this item to your cart. You can always remove it later.
Eligible for Return, Refund or Replacement within 30 days of receipt
This item can be returned in its original condition for a full refund or replacement within 30 days of receipt.

Purchase options and add-ons

Brand TENEALAY
Number of channels 2
Item weight 105 Grams
Connectivity technology Auxiliary
Power source Passive
Output connector type Auxiliary
Audio input Auxiliary
Manufacturer TENEALAY

About this item

  • >> Stereo 2 input / 1 output: It can connect 2 audio inputs at the same time. Each track has an independent volume adjustment knob, which can be output by headphone and speaker.
  • >> The perfect way to listen to music and mix multiple sound sources incl. smart phones, tablets, computers, MP3 players, CD, etc.
  • >> The unit may also be used as a 1 in 2 out stereo splitter box when all controls are turned completely clockwise
  • >> Ultra-small mixer: Easy to carry and operate and mix multiple sound sources without limitation and boundary; Plug and play, no power supply required, small size, easy to place, suitable for your desktop and office.
  • >> Note:This passive product does not need power supply, and there is no internal amplifier circuit compensation, so the output will be attenuated (high impedance load attenuation is small, low impedance load attenuation is large)

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This item: TENEALAY X21 2 Way Audio Mixer 3.5mm Unpowered Mixer, 2 to 1 Stereo Aux Line Levels Control Box
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Product information

Technical Details

Product Dimensions ‎7.2 x 6 x 2.6 cm; 105 g
Item model number ‎X21
Power Source ‎Passive
Item Weight ‎105 g

Additional Information

ASIN B09WDMYYBP
Customer Reviews
3.6 out of 5 stars 161 ratings

3.6 out of 5 stars
鶹 Rank
Date First Available April 1 2022
Manufacturer TENEALAY

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TENEALAY X21 2 Way Audio Mixer 3.5mm Unpowered Mixer, 2 to 1 Stereo Aux Line Levels Control Box


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Product description

The X21 is a stereo two channel passive mixer for expanding a console mixer, mixing instruments, cd players, cassette players, computers etc.
It requires no batteries or other power source.
The unit may also be used as a 1 in 2 out stereo splitter box when all controls are turned completely clockwise

2 Stereo 3.5mm Inputs
1 Stereo 3.5mm Output

Package contains:
X21 audio mixer x1

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This Item
TENEALAY X21 2 Way Audio Mixer 3.5mm Unpowered Mixer, 2 to 1 Stereo Aux Line Levels Control Box
TENEALAY X21 2 Way Audio Mixer 3.5mm Unpowered Mixer, 2 to 1 Stereo Aux Line Levels Control Box
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Price$24.99$18.79$39.99$32.92$1,834.37-10%$32.75
Was:$36.39
Delivery
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Get it Jun 27 - Jul 10
Get it by Saturday, Jun 21
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Customer reviews

3.6 out of 5 stars
161 global ratings

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Works As Described: Love the Little Guy
5 out of 5 stars
Works As Described: Love the Little Guy
The unit arrived and operates as described. Love the simplistic look and controls. My application: two computer audio to one monitor speaker. For customers considering this mixer: This is a passive line level analog bidirectional mixer/splitter. There is no amp. Any low sound levels when the dials are max need to be adjusted at the source or your equipment needing a preamp (ie:microphone). I did experience hum and static that was quickly corrected with a ground loop isolator. This was acknowledged in the product description. There is always a possibility of interference of an analogue signal on any mixer and thus not reflective on my rating. I have not tried the one source input to two outputs but is confident it too would work as described. Great value, even having to buy a $15 dollar ground loop isolator. I would buy again.
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Top reviews from Canada

  • Reviewed in Canada on December 21, 2024
    Verified Purchase
    The unit arrived and operates as described. Love the simplistic look and controls.

    My application: two computer audio to one monitor speaker.

    For customers considering this mixer:
    This is a passive line level analog bidirectional mixer/splitter. There is no amp. Any low sound levels when the dials are max need to be adjusted at the source or your equipment needing a preamp (ie:microphone). I did experience hum and static that was quickly corrected with a ground loop isolator. This was acknowledged in the product description. There is always a possibility of interference of an analogue signal on any mixer and thus not reflective on my rating. I have not tried the one source input to two outputs but is confident it too would work as described.

    Great value, even having to buy a $15 dollar ground loop isolator. I would buy again.
    Customer image
    5.0 out of 5 stars
    Works As Described: Love the Little Guy

    Reviewed in Canada on December 21, 2024
    The unit arrived and operates as described. Love the simplistic look and controls.

    My application: two computer audio to one monitor speaker.

    For customers considering this mixer:
    This is a passive line level analog bidirectional mixer/splitter. There is no amp. Any low sound levels when the dials are max need to be adjusted at the source or your equipment needing a preamp (ie:microphone). I did experience hum and static that was quickly corrected with a ground loop isolator. This was acknowledged in the product description. There is always a possibility of interference of an analogue signal on any mixer and thus not reflective on my rating. I have not tried the one source input to two outputs but is confident it too would work as described.

    Great value, even having to buy a $15 dollar ground loop isolator. I would buy again.
    Images in this review
    Customer image
  • Reviewed in Canada on September 3, 2024
    Verified Purchase
    Just works poorly. Does noy really separate channels as advertised.
  • Reviewed in Canada on January 13, 2025
    Verified Purchase
    I'm using this to combine the output from web playalong tracks from my laptop with my EWI. I'm using a pair of not very expensive Sony headphones and I don't hear any crackles or buzzes. This mixer is not powered and does not include an amp, so the output is what I expected. My objective was to be able to spend all evening on music practice if I wanted to without complaints from family and neighbours, so this mixer does the job perfectly.
  • Reviewed in Canada on September 16, 2023
    Verified Purchase
    I have 2 monitors that are each connected to a different computer, and 1 soundbar. With this, I’m able to connect both to the same soundbar (output) and even change the volume on each one using the adjustment knobs.

    I’ve had this for a while now, and I recently got rid of one of the monitors. This is still useful as it’s reversible. I’m able to connect to the sound bar and my headphones at the same time. I can also connect to 2 different headphones from the same source. This was a nice surprise!

    I did notice that the signal is lower. Even at max volume on my computer, it’s not as loud as I need it to be. I did find that if you turn one knob to the lowest, the other device will become louder.

    Need to point out that I’m not an audiophile so I can’t comment on the sound quality. It’s good enough for me, but your mileage may vary.
  • Reviewed in Canada on November 30, 2023
    Verified Purchase
    My first impression upon holding it was I was very impressed with how solid it felt. The volume knobs feel solid and satisfying and the metal shell feels thick and durable.

    Playing audio through it worked great, with no loss in quality or noise introduced. However you must keep in mind that a passive mixer like this will reduce the volume by about half, so I recommend pairing it with headphones that are easy to drive or in ear monitors.

    It lets me do exactly what I wanted to do, which was route audio from my laptop and Steam Deck to a single pair of headphones so I can binge watch my favourite TV shows while playing games.
    2 people found this helpful
    Report
  • Reviewed in Canada on September 24, 2023
    Verified Purchase
    It can certainly mix audio, but whether or not you'll be able to hear it with everything at max volume is dubious.
  • Reviewed in Canada on May 31, 2023
    Verified Purchase
    This product works as it says. It is meant for line level devices and so higher impedance low level devices like guitars may give odd responses such as the other channel control having some effect or a muted sound. (the guitar was handy for a quick test) The device is stereo and will also work with balanced lines or a mix of balanced and unbalanced but not a mix of balanced and stereo.
  • Reviewed in Canada on May 18, 2023
    Verified Purchase
    The device is solidly build and finished. However, it failed it's main purpose as a mixer. Absolutely no audio output from different audio sources (PC, phone, digital piano) I provide so i can't even verify if the knobs are working or if the knobs are independent. Very disappointed.
    One person found this helpful
    Report

Top reviews from other countries

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  • Jamie
    4.0 out of 5 stars Does exactly what it says, but attenuation is very high
    Reviewed in the United Kingdom on May 22, 2024
    Verified Purchase
    Works exactly as described. I used this to combine a drum trigger module with my iPhone and it works perfectly well. However, the attenuation of the signal is very, very high and therefore too quiet to use with earphones or headphones. Rather than spend additional money an a headphone amp, I decided to return this and buy a battery powered mixer which does exactly the same thing, albeit for twice the price; but still significantly cheaper than buying a headphone amp in addition to this.
  • Cliente 鶹
    4.0 out of 5 stars MIxer stereo passivo per usi particolari
    Reviewed in Italy on June 30, 2023
    Verified Purchase
    Sto imparando il pianoforte su una tastiera digitale, e ho necessità di usare le cuffie perché mi cimento di notte. Siccome seguo un corso video scaricato da YouTube, ho necessità di suonare contemporaneamente al maestro, per verificare la corretta scelta delle note e soprattutto la correttezza e regolarità del tempo. Avevo quindi necessità di portare in cuffia non solo il suono della tastiera ma anche quello del maestro.
    Questo mixer mi va benissimo: sia l'uscita audio del tablet col video sia quello della tastiera sono sufficientemente potenti da pilotare, una volta mixati. le mie cuffie monitor professionali Sony MDR-7560.
    Il mixer è passivo, cioè non ha amplificazione, anzi ha alcune resistenze (e forse condensatori, non l'ho aperto) per cui per mixare segnali di basso livello, come quelli provenienti da due microfoni, potrebbe non andare bene anche se devo apertamente dire che non ho provato.
    Confermo che il mixer è stereo, una cosa che mi pare non risulti dalla descrizione.
    Nel mio esemplare la regolazione del volume è perfettamente separata per i due canali, a differenza da quanto riportato da altri utenti: probabilmente il circuito è stato modificato dopo quelle recensioni.
    Perché metto 4 stelle e non 5? Per il prezzo! Un mixer passivo è di una straordinaria banalità circuitale, di costo veramente infimo. Però la "carrozzeria" è davvero deliziosa, in alluminio satinato, e quindi 15 euro li avrei pagati volentieri. La differenza tra 15 e quanto pagato secondo me vale una stella.
    Report
  • zap
    5.0 out of 5 stars Neat deskboard design
    Reviewed in Sweden on September 23, 2023
    Verified Purchase
    Neat and functional no noncence little mixer.
    Some issues with the delivery but the dealer was very service minded and solved the problem quickly. Top notch!
  • DavidM
    5.0 out of 5 stars 6 months in, working great with computer audio + Chromecast Audio
    Reviewed in the United States on January 14, 2024
    Verified Purchase
    I'm using this device to drive one set of powered speakers from two stereo line level sources: my computer audio output, and a Chromecast Audio device. I did not get the buzzing that apparently shows up in some applications, so I did not have to follow the instructions for getting rid of the possible buzz. Six+ months in, there is no evident damage to either audio source. It is super convenient to be able to use the speakers for two purposes simultaneously. As other reviewers have noted, there is some coupling between the two volume knobs (e.g. if you max one of them out you will silence the other) but practically speaking I have no trouble getting the volume and the relative volume that I want. While listening to Chromecast Audio, I can hear the computer's audio output too, clearly and as loud as I want to set it to.
  • Ewan
    2.0 out of 5 stars It does the job, but lows the volume
    Reviewed in the United Kingdom on February 5, 2025
    Verified Purchase
    It significantly lowers the volume even with the max volume. For some audio and devices it is simply not audible. But most mp3 and other devices works okay with max volume.