WONDOM JAB3+ AA-JA32173 Amplifier Module Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

WONDOM JAB3+ Amplifier Module Class D Bluetooth 5.0 DSP
The Wondom JAB3+ is an amplifier module capable of developing a power of 2x50W, supporting Bluetooth 5.0 (aptX HD) and integrating an ADAU1701 DSP for an all-in-one audio solution. Thanks to the latter, the JAB3+ can be programmed with SigmaStudio and AppControl via an intuitive graphical interface.

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Shipping date: 21-10-2021.

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Accessories for this product

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Wondom JAB3+

Amplifier Module Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

Wondom JAB3+ Module Amplificateur Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

The Wondom JAB3+ is an amplifier module capable of developing a power of 2x50W, supporting Bluetooth 5.0 (aptX HD) and integrating an ADAU1701 DSP for an all-in-one audio solution. Thanks to the latter, the JAB3+ can be programmed with SigmaStudio and AppControl via an intuitive graphical interface (requires the use of a Wondom ICP5 module, not supplied).

In addition to its speaker output, the JAB3+ has an additional mixed audio output that can be used with another amplifier module to create a 2.1 or 4.0 system. The PC interface then allows the amplifier to be configured in mono or stereo mode. In addition, the JAB3+ can be battery-powered to create a portable, high-performance audio system.

Bluetooth 5.0

The JAB3+ uses a Bluetooth 5.0 module as input, supporting AAC, SBC, aptX, aptX LL and aptX HD codecs and enjoying a high reception sensitivity of up to 9dB and -90dBm. This makes it possible to pair the JAB3+ with an audio source. An external antenna port is also available in case the JAB3+ is installed in a box.

DSP ADAU1701

The JAB3+ therefore embeds an ADAU1701 DSP chip for audio signal processing. Four ports allow to mount external potentiometers (sold separately). These will allow you to control volume, gain, bass and treble levels. When used with a Wondom ICP5 module (sold separately), you can adjust many audio parameters via the SigmaStudio software or a control application.

Line input

In addition to the Bluetooth input, the JAB3+ offers a line input. The signal from both inputs can be mixed before being transmitted to the amplifier circuit.

Wondom JAB3+ Module Amplificateur Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

Wondom JAB3+ Module Amplificateur Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

Wondom JAB3+ Module Amplificateur Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

Wondom JAB3+ Module Amplificateur Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

Wondom JAB3+ Module Amplificateur Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm

Technical characteristics

Specifications
Product typeAmplifier module
Number of channels2
Output power2x50W
PBTL Compatibility
InputsBluetooth 5.0
Line input
Outputs1x Speaker output
1x Line output
Supported Bluetooth codecsAAC, SBC, aptX, aptX LL, aptX HD
Measurements
ParameterConditionsMin.Typ.Max.
Min. load impedance-3.2Ω4Ω-
Efficiency2x50W @ 4Ω, 1kHz-83%
Amplifier gain@ 4Ω, 20Hz-20kHz-25.8dB-
Input sensitivity2x50W @ 4Ω, 1kHz, 23.5dB-770mV-
HFP Cutout frequency-0.25kHz-2kHz
LFP Cutout frequency--20kHz-
SNR2x50W @ 4Ω, THD+N=1%, 25.8dB, A-Weighting-91dB-
THD+N10W @ 4Ω, 1kHz, 25.8dB-0.039%-
Input impedance--10kΩ-
Output noise levelA-Weighting, input connected to GND, 25.8dB-163µV-
DC Offeset--10mV-
Crosstalk separation20Hz-20kHz, Gain = 26dB--60dB-
General
Alimentation12-26V DC (power supply sold separately) or via battery pack (sold separately)
Dimensions91.44 x 68.58mm
 
Data sheet
InputBluetooth
InputJack 3.5mm
OutputSpeaker terminal
OutputPH 2.0mm
Max sampling rate48kHz
Channel2 (Stereo)
ClassClass D / T
HeatsinkYes
Amplifier chipN/A
Power (W)50.0
 
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Average votes
5.0 / 5
1 reviews
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 5/5
Date :
Impressive
Used it to replace a Jab3 plus Bluetooth board combination.

The pcb material is much thinner and appears like a cheaper build when compared to the older jab3.
I was a bit worried if it will sound as good and... It does. I Don t see any difference in quality for the amplifier part when it comes to sound and because it has Bluetooth built in it actually sounds better than my old "separates" combo.

This board can be configured with Sigmastudio to get the most out of your projects.

One minor fault is that, with my phone, when on APTXHD connections, I can not change the LR balance. Unless it is perfectly in the middle, there is a very high noise. All is ok with AptX, only on HD there is this issue. It could be due to my phone though.

Also, the music itself is ok if I leave the balance centered with HD as well, stereo image is good.

For its price, I find this the perfect amp for portable speakers. Enough power and amazing versatility due to the built in DSP.
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This review has been posted for WONDOM JAB3+ AA-JA32173 Amplifier Module Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm
 
WONDOM JAB3+ AA-JA32173 Amplifier Module Class D Bluetooth 5.0 DSP ADAU1701 2x50W 4 Ohm
The Wondom JAB3+ is an amplifier module capable of developing a power of 2x50W, supporting Bluetooth 5.0 (aptX HD) and integrating an ADAU1701 DSP...

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