Midsize Soundbox RB-4070LB08
The Midsize Speaker Model RB-4070LB08 is a soundbox speaker designed for high performance and durability, measuring 71x41x21mm and weighing 26g. It features a ferrite magnet (Φ39×8.0T) and has an impedance of 8±15% Ohm at 1000Hz. With a power rating of 5W normal and 5.5W maximum, it operates within a frequency range of F0~20,000Hz, with an FO of 240±20% Hz and a sensitivity of 97±3dB. The speaker ensures optimal performance with ≤5% distortion and normal function at 4.89 volts sine wave.
Engineered for reliability, it withstands high (+65±2°C) and low (-25±2°C) temperatures for 96 hours, 90~95% humidity at +40±2°C, vibration at 30±15Hz, and 1m drops on concrete. It also endures white noise load tests, polarity checks, and multiple temperature cycles, making it suitable for demanding audio applications. The MOQ is 10,000 units.
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