Compact 3 Watt 4 Ohm Speaker for Arduino Enthusiasts

CQRobot has carefully crafted a passive speaker for Makers and electronic enthusiasts. This small speaker features a JST PH2.0 interface, with an internal resistance of 4 ohms and a power output of 3 watts. Equipped with a mounting screw and suitable for various sound source fabrications, the speaker delivers clear and melodious audio without distortion.

TECHNICAL SPECIFICATIONS: - Resonance Frequency: 500 Hz ± 20% - Impedance: 4 Ohms ± 15% at 1 kHz 1.0V - Power: Rated Power / Maximum Power 2.0W / 3.0W - Sensitivity: 82 ± 3dB (1W / 0.5m) at 1.0 kHz - Effective Frequency Range: 500 Hz to 15 kHz - Distortion Factor: Less Than 5% MAX. (at 1.0 kHz 0.5W 0.5M) - Polarity: When a positive DC current is applied to the terminal marked +, the diaphragm shall move forward. - Buzz & Rattle Test: 4.0V 500 Hz to 15 kHz - High Temperature Storage Test: 80 ± 5 Degrees Celsius for 96 Hours - Low Temperature Storage Test: -40 ± 5 Degrees Celsius for 96 Hours - Magnet: Nd-Fe-B, 12.5mm * 2mm - Size: 70mm * 31mm * 16mm - Screw Hole Distance: 24mm * 63mm - Interface: JST PH2.0 2-Pin - Interface Cable Length: 40cm - Total Weight: 24g

SHIPPING LIST: 2 * Passive Speaker 3 Watt 4 Ohm (JST PH2.0 2-Pin)

This passive speaker is designed to be compatible with a wide range of devices, including Arduino, robots, Raspberry Pi, advertising machines, game machines, and integrated machine-specific speakers. Its versatility makes it a great choice for various projects and applications.

The speaker's technical specifications ensure high-quality audio performance. With a resonance frequency of 500 Hz ± 20%, an impedance of 4 Ohms ± 15% at 1 kHz 1.0V, and a power output of 2.0W rated and 3.0W maximum, this speaker delivers clear and melodious sound without distortion.

The effective frequency range of 500 Hz to 15 kHz, along with a sensitivity of 82 ± 3dB (1W / 0.5m) at 1.0 kHz, provides a wide and balanced sound spectrum. The low distortion factor of less than 5% MAX. (at 1.0 kHz 0.5W 0.5M) ensures a clean and accurate audio reproduction.

To ensure the speaker's durability and reliability, it has undergone rigorous testing, including a buzz and rattle test at 4.0V 500 Hz to 15 kHz, as well as high and low temperature storage tests at 80 ± 5 Degrees Celsius and -40 ± 5 Degrees Celsius for 96 hours, respectively.

With its compact size of 70mm * 31mm * 16mm, the speaker is easy to integrate into various projects and applications. The 24mm * 63mm screw hole distance and the JST PH2.0 2-Pin interface further enhance its versatility and ease of use.

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