Set of 5 XH-A157 PAM8403 Stereo Amplifiers 2 x 3 W Volume Control with Switch AUX Jack 3.5 mm Power Supply 5 V Modules 37 x 21 mm
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The package of five XH-A157 stereo amplifiers with PAM8403 chip is designed for those who are building multiple sound systems at once or need a supply of modules for workshops or schools. The signal is fed into each board via the AUX jack 3.5 mm using a standard cable from a phone, computer, or MP3 player. One module delivers an output power of 2 x 3 W and is intended for two speakers with an impedance of 4 to 8 Ω. The rotary knob on each board adjusts the volume and also serves as a switch. The modules are suitable for electronics clubs, repeated speaker constructions, and repairs of older devices.
Power is provided by a direct current voltage of 5 V, which connects via a red two-pin connector; the modules can be powered from a 5 V USB charger using an appropriate cable. Speakers connect to two white connectors for the left and right channels, using the included cables with connectors on one end and stripped wires on the other. Turning the knob to the right switches the amplifier on and increases the volume, while turning it to the left decreases the volume until it is switched off. The potentiometer 50 kΩ has a threaded shaft, allowing it to be secured to the front panel of the enclosure with the included nut and washer.
- Model – XH-A157
- Amplifier Chip – PAM8403
- Number of Channels – 2 (stereo)
- Output Power – 2 x 3 W
- Speaker Impedance – 4 to 8 Ω
- Power Supply Voltage – 5 V DC
- Audio Input – AUX jack 3.5 mm
- Control – rotary potentiometer 50 kΩ with switch
- Connection – connectors for power supply and both speakers
- Dimensions – 37 x 21 x 13 mm
- Operating Temperature – -20 to 85 °C
- Operating Humidity – 5 to 95 % RH
- Package Contents – 5 XH-A157 amplifier boards with potentiometer and for each 1 knob, 1 washer, 1 nut, and 3 connecting cables with connectors
Before connecting the power supply, check the polarity according to the markings on the board and do not exceed the voltage of 5 V. Protect the module from moisture and conductive objects that could cause a short circuit on the underside of the board. For permanent installation, it is advisable to place the board in a plastic enclosure, where the knob with the nut holds it in place. Route the cables so that they are not taut and the connectors do not pull out during handling.
Five XH-A157 amplifiers in one package cover a larger number of projects and provide a reserve for further constructions. Each board measures 37 x 21 x 13 mm, making it suitable for small enclosures or panels. The AUX input, knob with switch, and cable connectors allow for quick connections without soldering signal wires. The set is useful in workshops, for electronics education, and for building simple speaker systems.
Delivery
Delivery to address€1.99
Estimated delivery: 23 November – 4 December
Shipped from China
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Withdrawal period30 days from receipt of the goods
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Returns addressQX-BOX AEMALL RETURN
Rotonda Rene Descartes, Parcela 101 – Nave 3
28070 Alcala de Henares, Madrid
SpainReturns centre in Spain operated by Qxbox, an e-commerce logistics provider and logistics partner of the sellers on our platform.
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About the seller
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Seller:
Yongkang Yongchang Electric Tools Co., Ltd
Address: West side, 3rd Floor, No 27, Zerong Road, Dahou Village, Tangxian Town, Jinhua City, Zhejiang, China
E-mail: 297288217@qq.com
Telephone: +86 135 6007 1153
Manufacturer:
Yongkang Yongchang Electric Tools Co., Ltd
Address: West side, 3rd Floor, No 27, Zerong Road, Dahou Village, Tangxian Town, Jinhua City, Zhejiang, China
E-mail: 297288217@qq.com
Telephone: +86 135 6007 1153
EU responsible person:
EU Consulten Srls
Address: Via Varesina 55, 20156 Milano, Italy
E-mail: Eu-consultenSrls@hotmail.com
Telephone: +39 328 583 2654
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