Pack Kit portable stereo speaker bluetooth 2x30W

Kit portable stereo speaker bluetooth 2x30W Full-Range Drivers
This kit assembly will delight music lovers looking to learn about audio-centered electronics through a single project and leading to concrete results.

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Shipping date: 26-10-2021.

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bluetooth active speaker kit battery

Active loudspeaker 2x15W with battery  / DAC / Bluetooth

Bluetooth kit 30w speaker assembly even do it yourself DIY

This kit assembly will delight music lovers looking to learn about audio-centered electronics through a single project and leading to concrete results.

Its simplicity is primarily due to the fact that the parts are already selected for their compatibility and ability to work with one another, which is an easy way to avoid the most tedious part in building a full speaker.

It is a very good training for electronic-enthusiasts of all levels interested in building a first test bench in order to quickly swap different elements (in this case, loudspeakers) and test them under various operating conditions.

This speaker set contains all essential electronics to mount an active bluetooth speaker with a power of 30W. The latter benefits from significantly better specifications than most usual speaker found in the same price range. Once all the parts have been assembled, it only remains to install the whole in the casing of your choice.

This kit allows you to make either a ported vent or a closed vent - thanks to its ability to drive different loudspeaker types - and gain a  better understanding of these two basic approaches in low frequencies management.

Finally, creative people will enjoy the easiness of the integration (thanks to a generous length of cables and already-soldered connectors) that will also fit well to aesthetically fancier design.

Intuitive and versatile mounting hardware

A JAB-2 amplifier is found at the core of this project. This amplifier is particularly interesting since all connectors are already integrated there (which almost nullifies the need to soldering).

This advantage is far from the only asset of JAB amplifiers since they are highly scalable. For example, the cradle battery has two native additional connectors to plug as many other extra battery cradles (which will in turn possess such extensions themselves).

In its simplest form, the device already carries a battery cradle working with high capacity 18650 cells.

Batteries are included in this kit with a respective capacity of 3350mAh. An ideal compromise for developing considerable power while enjoying a sustained battery-life over time.

The circuit is designed so that the accumulators will automatically load when the amplifier is connected to the charger. It will therefore not be necessary to provide a handling for frequent inversion of batteries. This will greatly facilitate this integration issues.


Your speaker kit has Bluetooth connectivity. Thus, it is not even necessary to bother mounting the AUX input if you aim for the easiest design.

JAB2 board is equipped with an apt-X standard. This Bluetooth flow transfer standard is designed specifically for audio use.

The principle of this technology is to apply a dynamic compression scaled on the file bitrate. This means that the audio stream is auto-adjusted based on the original file, that is to say : apply audio-treatment only when it is necessary to optimize the transmission speed and balance the sound quality (unlike ordinary Bluetooth standards that apply treatment regardless of the properties of the source file, which irretrievably leads to degradation).

In addition, the card also supports A2DP and EDR standards.



The kit is supplied with three light-emitting diodes that connect directly to the JAB2 amplifier. The latter already has all the connectors to power those LEDs and is already configured to manage their behavior appropriately.

Similarly, the diodes are already wired, insulated and mounted on a screw with nut locking for easy mounting on your case.

A diode is used as voltage indicator, meaning that it lights up only when the unit is on.

A diode is used to charge indicator. That is to say, it lights to indicate that the battery of yourportable speaker is being charged. The reverse is also true, light off indicates that the charge cycle is complete.

Last diode serves as a Bluetooth pairing indicator. It lights up to confirm that the Bluetooth receiver amplifier is paired with your source (phone, tablet, computer ... etc.)

Volume Control

Your speaker kit is equipped with a volume control operating with a rotary potentiometer governing both channels.

The latter has a clamping nut for fixation on the housing and is mounted on a separate perforated PCB connected by a flexible cable. It is therefore possible to securely integrate the volume control to the speaker enclosure.

This is an analog signal attenuation volume control. So you can find the most comfortable level without worrying about sacrificing bits of digital information.



Easy integration and minimal use of the soldering iron

With the exception of cable to connect the cradle to the battery with amplification card, all supplied cables are more than 50cm. This leaves considerable scope to give your speaker the shape of your choice.

All welds that could be made in advance have already been made. Whether the connection of a cable to the connector or plug to its conductors. The only concern welds required input power (2 welds) and the ON / OFF button (2 welds).

Beware, the ON / OFF button (optional) is not provided.

TypeKit Bluetooth speaker to mountContains only electronics: no provided housing.
AmplifierAmplifier ChipTPA3118
AmplifierPower2x 30W 8 ohms (THD + N <1%)
AmplifierFrequency response20Hz - 20kHz.
AmplifierTHD19V @ 8O,10W, 1KHz
AmplifierSNR19V, 10W @ 8O, THD+N=1%
AmplifierBluetooth compatibility
AmplifierStatus IndicatorsLED (not included)
AmplifierProtection against overcurrent and overheatingYes
AmplifierPower-Supply12-24 VDC
AmplifierInputsStereo analog on connector Molex43025-400 / 43025-4000
Bluetooth 4.0
AmplifierDimensions91.5 x 68.5mm
cablesCable length510 mm
cablesLength battery cradle cable210 mm
CircuitInputsAnalog stereo
CircuitOutputsAnalog stereo
CircuitBluetooth standardVersion 4.0
CircuitFunctionsON / OFF (switch required non included)
Volume control (attenuation potentiometer)
Cradle accumulatorDimensions29x68x91mm
Cradle accumulatorWeight90g
Cradle accumulatorLocations for accumulatorsx3
Cradle accumulatoroutput voltage15-24V
Cradle accumulatorinput voltage15-24VDC
Cradle accumulatorCompatbilité solar panelYes
Cradle accumulatorEntries exitsX3 (ability to add other cradles to increase the total battery)
batteryTension min / max2.5-4.2V
batteryNominal voltage3.6V
Kit Contents
Map amplifier / JAB2 2x30W v2.2x1
Potentiometer volume control PCBx1
Volume Control Cablex1
Power cable 2 conductorsx1
Power-in plug (needs soldering)x1
input signal cable connector (left / right)x1
Cable and already soldered LEDsx3
3.5mm plug (AUX) already wired x1
Cable for on / off switchx1
speaker cable connector (left / right)x1
18650 3350mAh accumulator (2.5-4.2V)x3
Battery Cradle with connectors and protectionsx1
Cable connector for feeding cradlex1
L-shaped Support for JAB 2 x1
Screw bracketx4
Power cablex1
Power adapter (SMPS)x1
Data sheet
OutputPCB Connector
Channel2 (Stereo)
ClassClass D / T
Amplifier chipTPA3118
Power (W)30.0
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Average votes
4.5 / 5
2 reviews
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Note :
Date :
Enceinte bluetooth
Très bon produit cela fait deux fois que je m'en sert pour fabrication d'une enceinte bluetooth dans un poste ancien... Bonne puissance clarté du son et simple à monter soi même. Très bon kit
This review has been posted for Pack Kit portable stereo speaker bluetooth 2x30W
Note :
Date :
Très bien mais pas très bon marché
This review has been posted for Pack Kit portable stereo speaker bluetooth 2x30W
Pack Kit portable stereo speaker bluetooth 2x30W
This kit assembly will delight music lovers looking to learn about audio-centered electronics through a single project and leading to concrete...

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