Product description: Speaker 1 W 8O hm - 30 mm - SparkFun COM-27247
This small 30 mm diameter speaker is a great alternative to classic piezo buzzers in projects requiring better sound quality. With a plastic housing and a nominal power of 1 W, it offers balanced acoustic performance with minimal installation space requirements. The speaker will work well wherever low power consumption, small size and clear sound are important - both in hobby and professional applications.
Speaker 1W 8Ohm - 30mm - SparkFun COM-27247. 
A small 30 mm diameter mounting speaker is an excellent alternative to classic piezo buzzers.Special Features
- Small size - only 30 mm in diameter
- Power supply up to 1 W nominal (1.5 W maximum)
- Low impedance 8 Ω - works well with most audio amplifiers
- High acoustic sensitivity - up to 105 dB at 0.1 W
- Easy Through-Hole (THT) PCB mounting
- Wider bandwidth than piezo buzzers - from 1.2 kHz to 15 kHz
Practical applications
This speaker is ideal for projects such as notification systems, electronic toys, multimedia device prototypes, voice messages or sound effects in embedded devices. It can be used with popular audio amplifiers and microcontrollers with PWM or DAC output.
Speaker Technical Specifications
- Rated power: 1.0 W
- Maximum power: 1.5 W
- Impedance: 8 ±15% Ω at 2 kHz, 2.8 V
- Resonant Frequency: 1200 ±20% Hz at 2.8 V
- Sound pressure: 105 ±3 dB (0.1 W, 0.1 m, IEC)
- Frequency response: from resonant frequency to 15 kHz
- THD: max. 10% at 1 kHz, 0.15 W
- Operating temperature range: -20°C to 60°C
- Diameter: 30mm
The loudspeaker will work well wherever low power consumption, small size and clear sound are important. Useful links |
