antenna design: it enhances the receiving sensitivity of the product and increases the sensitivity of about 2-3DB compared with wireless earphones;
reduces the noise-limiting sensitivity of earphones, so that the earphone receiving sound quality is clearer, and students can listen to the exams clearly.
2. Clear listening: the DSP software digital processing integrated module is used as the radio core, with high amplifier,
local oscillator, mixing and frequency discrimination circuits, digital filtering design, built-in dual 16bit digital-to-analog converters,
high-performance selective, Strong anti-interference ability and low audio distortion output characteristics.
3. Ergonomic design: oval-shaped earmuffs are comfortable to wear and can fully cover the ears to effectively isolate external noise.
Detachable earmuff design, the earmuff material is made of PU leather material, which is easy to replace.
4. Special campus channel: With memory function, it can memorize the frequency points and saved frequency points before shutting down.
5. Speaker: adopts 40MM large-diameter drive unit, high-magnetic neodymium iron boron magnetic material structure,
professional anti-noise, beautiful and clear sound quality, high sensitivity, and the stereophonic design of the product line shows an excellent bass effect.
6. LCD display: LCD liquid crystal display is clearer and more intuitive than pointer display, which is convenient to quickly adjust to the required channel.
Specification:
Model: HRD-308S
Material: ABS+PU leather
FM receiving range: 50-108MHZ
Sensitivity: ≤18dB
Frequency Response: 20Hz-18KHz
Working voltage: 3V
Battery: 2*AA batteries(not included)
Size: 115mm x 88mm x 120mm/4.53″ x 3.46″ x 4.72″ (Approx.)
Package:
1 pc x Headphone
1 pc x User manual