TS112W Expand


Alto Alto


Active 800 Watt 2-Way 12'' Loudspeaker with Wireless Connectivity

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Premium Truesonic Sound, Now With Wireless Technology Built In.

A Whole New Experience
You've never experienced professional live sound speakers like this. The TS112W brings you all the premium features you've come to expect from Alto Professional: massive wattage, efficient Class D amplification and cutting-edge design. Add to all of this: unprecedented wireless connectivity. Now, you can harness that same massive power and clean, crystal-clear sound using your smartphone, tablet or other Bluetooth device such as a laptop computer. It’s the best-selling Truesonic sound, now with wireless technology built in.

Modern Amplifier Design
The TS112W has a Class D amplifier integrated into the cabinet. Class D amps are lighter than other amplifier designs, and provide tons of output with plenty of punch. The TS112W delivers with 800 Watts of power. Class D amplifiers run much cooler, so the amp doesn't work as hard to deliver your sound with authority. Additionally, TS112W’s precision-engineered drivers make sure that virtually no energy is wasted. That translates to more of the power from the amplifier actually working to generate sound rather than heat, giving the speaker better real-world performance than other speakers with comparable published specifications.

Hang 'Em High
Optimal speaker placement can be challenging, especially if your speakers don't have what it takes to go anywhere. Whether you need to fly your speakers, pole-mount them, or use them as floor monitors, Truesonic speakers are ready for you. All Truesonic speakers feature standard 36mm pole-mounting insets on the bottom. And if you need to fly them, it's no problem. The TS112W has five M10 rigging points. This makes the TS112W a remarkably venue-friendly speaker. Use it anywhere you need it.

Just What You Need
Whether you're performing at a coffee house, wedding, house of worship, or other small to medium-sized venue, the Truesonic TS112W is your best choice. It's easy to get your Truesonic speakers to the gig with the carrying handles and lightweight design. Once you're there you won't need to be a live sound guru to figure out how to EQ the speakers thanks to the built-in Contour EQ switch that can help adjust for those situations where you need an EQ alternative for recorded music playback.

Full metal grille
You can never be too safe around the stage. We know stuff happens that you just can't predict. Sometimes it's the flying drumstick, a falling mic stand or worse. Every Truesonic speaker comes with a complete front grille from top to bottom that protects not only your low frequency driver, but your high frequency driver as well. With Truesonic speakers, you get extra peace of mind knowing that whatever comes at your sound system, we've got it covered, literally.

Connect Your Way
The Truesonic Wireless line simplifies the connection to multiple devices with the ability to play audio from any Bluetooth audio-equipped device such as an iPad, iPod touch, iPhone, even a laptop. In addition, both TS112W and TS115W include two Mic/Line Female XLR - 1/4” combo inputs with independent gain controls, so it’s easy to get up and running with just about any audio source.

Pro with a Plus
The TS112W and TS115W are professional loudspeakers, equipped with all the connections you need to hook up using traditional cables. Whether you use them in a permanent sound reinforcement installation or as portable PAs, you'll have a versatile loudspeaker that can handle every gig, and blast music from your mobile device at the after party. The TS112W and TS115W provide exceptionally clean, transparent sound from wired or wireless sources.

"The Alto Truesonic series is outstanding. Now that Bluetooth has been integrated, there is no live sound scenario or DJ event you can't handle." - Virtual DJ (VirtualDJ.com)


Bluetooth is a registered trademark of Bluetooth SIG
*Wireless streaming is for playback only.



Transducer Low: 12” Woofer, with 2” voice coil
Transducer High: Neodymium compression driver, 1” exit with 1” voice coil
Power Amplification: 800 Watts peak (670 W LF + 130 W HF), 400 Watts continuous (335 W LF + 65 W HF)
Frequency Range (-10 dB): 54 Hz - 20 kHz
Frequency Response (±3 dB): 65 Hz - 19 kHz
Maximum SPL @ 1m: 125 dB peak, 122 dB continuous
-6 dB Nominal Coverage: (80° / 100° H x 60° V)
Active Crossover: 2.5 kH
Wireless Connectivity: Bluetooth (A2DP)
Wireless Range: Up to 30'
Connectors:  2 x Mic / Line Female XLR - 1/4” combo inputs, 1 x Loop - Out Male XLR
Input  Control: Line / Mic -8 to +50 dB, Maximum input level +23 dBu, Input Impedance 15 kOhms
External Controls: Volume, Power switch with LED indicator, Clip/Limit LED, Ground Lift switch
Protection Features: Over-excursion, Thermal, Driver
AC Power: 100 VAC, or 110 – 120 VAC, or 220 - 240 VAC (50 / 60 Hz)
Enclosure: Trapezoidal, with floor monitor capability. Injection molded, polypropylene enclosure, with perforated steel grille
Mounting: Integrated pole-socket (36 mm dia.) Two handles, 5 M10 threaded sockets: 2 top, 2 bottom, 1 pullback


Dimensions (WxLxH): 15in x 14.3in x 25.5in
Weight: 39 lb

Frequently Asked Questions [+]

What type of wireless technology is in the Truesonic Wireless Loudspeaker?
The TSW series utilizes Bluetooth Advanced Audio Distribution Profile (A2DP). A2DP allows for wireless transmission of stereo audio streams from a Bluetooth A2DP source device (Cell Phone, Tablet Computer, Lap top computer, etc.)
Can I use the combo input connectors along with Bluetooth simultaneously?
Yes. Since Combo Input 1, Combo Input 2 and Bluetooth all have individual level controls, you can mix all three inputs all at the same time.
What is the expected range for the wireless connection?
Truesonic Wireless loudspeakers use an advanced, extended-range Bluetooth antenna design, allowing for ranges far greater than traditional Bluetooth devices. The typical range is 60-80 feet (18-24 meters) with a clear line of sight. However, the range may vary depending on your source device and the environment.

To maximize the range:

  1. Set your source device on a flat surface and make sure there are no obstacles between the loudspeaker and your device (e.g., walls, furniture, etc.).
  2. Turn off your source device’s Wi-Fi.
  3. Turn off any unneeded 2.4 GHz devices in the nearby vicinity (e.g., other Bluetooth devices, baby monitors, Wi-Fi access points, microwave ovens, etc.).
  4. Try using a different Bluetooth source device. Bluetooth signal strength varies between different devices.
How do I set up the Bluetooth connection for my Truesonic Wireless Loudspeakers?
  1. For quick setup instructions, click here:
  2. To see an instructional video, click here:
  3. For complete manual click here:
Will the bluetooth signal be routed to the 'mix out'?
The fan in my speaker is not spinning, is something wrong? Should the fans in both of my speakers operate exactly the same?
The fan operates as needed to control the internal temperature of the amplifier. There are component tolerances which cause small variations from unit to unit. It is normal for a unit at room temperature to have the fan spin slowly, or not at all, or to stop and start. It is normal for this to vary slightly from unit to unit. It has no impact on the performance of the product.
Will inputs 1&2 from the paired loudspeaker mix with the bluetooth stream when linking speakers wirelessly?
No, the wireless bluetooth stream is independent from the analog inputs unless the loudspeakers are connected with the 'mix out'.
What is Pairing?
In order make a solid connection, Bluetooth devices need to scan and bind to compatible devices. Pairing is the process that that binds your source device to your Truesonic Wireless loudspeaker.
What is Linking?
Linking is the process that allows 2 Truesonic Wireless speakers to be connected as a stereo pair.
What if my Bluetooth source device prompts me to enter a PIN code?
If your device prompts you to enter a PIN code when pairing, simply enter 0000 (four zeros)
Can I stream audio to more than one pair of Truesonic Wireless loudspeakers?
No. Bluetooth connectivity is for one connected pair of speakers only.
What is the recommended volume setting for my Bluetooth source (phone, iPad)?
We recommend setting the playback volume at its maximum setting. Then, adjust the loudspeaker’s BLUETOOTH VOLUME knob to the desired level.
Can someone else hijack the Bluetooth connection and remove my source device?
No. As long as your device is connected and within range, you can’t be forced off the connection.
How do the Truesonic Wireless Loudspeakers playback stereo audio?
When setting up the Bluethooth connection, choose only one loudspeaker to ‘Pair’ with your source device, i.e. phone, tablet or laptop. This speaker will be known as the ‘Master’.

After each loudspeaker is ‘Linked’, the Master will split the received stereo channels into Left and Right signals. The Left channel will be output by the Master (Paired unit) and the Right channel will be output by the ‘Slave’ (Linked) unit.

Note: When the two loudspeakers are linked, you can only pair your source device to the master loudspeaker. The slave loudspeaker’s PAIR BUTTON will be disabled; if you press it, you will hear 3 rapid “beeps” to indicate that the button is “locked out.”
Do I need two loudspeakers to stream wireless audio?
No. If you only have one Truesonic Wireless loudspeaker, just pair to it and play music. Both left and right channels will be output together as a mono signal.
Can I turn down the pairing and linking tones?
Yes. Below and to the left of the STEREO LINK BUTTON, there is a small opening that exposes a recessed level control. This potentiometer controls the volume of the pairing/linking tones. This is pre-set to an optimal volume by default, but you may use a small, flathead jeweler’s screwdriver to adjust it from -8 dB to +10 dB. (Turning it clockwise increases the volume; counter-clockwise decreases it.) To return it to the factory setting, turn it until it you feel the center detent at the 12 o’clock position.
Will the Truesonic Wireless Loudspeakers remember my source device?
Yes. Once pairing is complete, the Truesonic Wireless loudspeaker will remember your device even after a power cycle. To reconnect, go to your device’s Bluetooth settings page, find “Alto Pro Wireless” and select to reestablish the connection.
Will the Truesonic Wireless Loudspeakers automatically link together after a power cycle?
Yes. Truesonic wireless loudspeakers will remember their linking settings even after they are powered off. When you turn the loudspeakers back on, they will automatically reconnect to each other. When the connections are reestablished between the loudspeakers, the LEDs next to the STEREO LINK BUTTONS will light continuously.
How do I erase the current paring and linking settings?
To erase all previous pairing and linking settings, press and hold either the PAIR BUTTON or the STEREO LINK BUTTON for 3 seconds. You will hear a long tone to confirm its pairing and linking settings have been erased. The LEDs will also turn off. Do this on both the master and the slave loudspeakers. Now, you can pair to a new source device or link the loudspeakers again.
The connection between my source and speakers was lost during use, how do I fix this?
If the connection is lost between the loudspeakers, or between the loudspeaker and the source device, and if they do not reconnect automatically, then power-cycle both loudspeakers and allow them to reconnect. When the connections are reestablished between the loudspeakers, the LEDs next to the STEREO LINK BUTTONS will light continuously.
The audio is dropping out but the connection appears to be solid, why is this happening?
If your connection is failing, try the following remedies:
  1. Set your source device on a flat surface and make sure there are no obstacles between the loudspeaker and your device (e.g., walls, furniture, etc.).
  2. Turn off your source device’s Wi-Fi.
  3. Turn off any unneeded 2.4 GHz devices in the nearby vicinity (e.g., other Bluetooth devices, baby monitors, Wi-Fi access points, microwave ovens, etc.).
  4. Try using a different Bluetooth source device. Bluetooth signal strength varies between different devices.
What does the “Mix Out Selector’ do?
When disengage (PRE VOL), the MIX OUT level by the INPUT VOLUME controls. When engaged, (POST VOL), the MIX OUT level can be adjusted by the INPUT VOLUME CONTROLS.

Note: Bluetooth Volume always affects the MIX OUT connector.
If I am streaming music from my phone to the Truesonic Wireless speakers, will incoming phone calls be audible over the loudspeakers?
The Truesonic Wireless speaker does not have the HSP (headset) or HFP (handsfree) Bluetooth profile built into it. Thus, if you are streaming audio from your mobile phone and then a call comes in, most devices will quickly fade out (mute) the music until the call has been pushed to voicemail or terminated.

To prevent incoming calls from muting the music, users should first activate airplane mode prior to Bluetooth usage. Then, turn on the Bluetooth radio in the phone, and pair it to the speaker(s). This order disables all internal radios while permitting Bluetooth A2DP streaming. Most smartphones let you enable each individual radio one at a time if you desire.
I am playing music from one speaker only but I am only hearing the left channel. Should I be hearing both left and right in one speaker?
Yes. For iOS, go to Settings/General/Accessibility/Mono Audio. Change Mono Audio from ‘off’ to ‘on’. The device will now broadcast a mono signal (2 channels down to 1) to the Truesonic Wireless speaker.
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