audio technica / ATP-SP303 Hands-free loudspeaker

Because it's hands-free, you can freely use gestures and body language, easily and reliably achieving clear voice amplification.

■Hands-Free Megaphone

■Hands-free design allows for free movement and gestures, providing easy and reliable clear amplification.

・Hands-free microphone and belt-mount design allow for use in various situations.

・7W maximum output circuit design allows voice to reach up to 45m (may vary depending on the environment).

・The included dedicated hands-free microphone is a back-hold type that securely attaches to the head.

・Flexible arm allows for free adjustment of the microphone position.

・Includes a mounting belt that fits waist sizes from 55 to 100cm.

・Battery-powered, eliminating the hassle of power cords.

・Easy operation with a single knob for power ON/OFF and volume adjustment.

■Power Supply: DC 9V (6 x AA batteries)

■Operating Time

With AA manganese batteries: Approx. 4 hours (JEITA)

With AA alkaline batteries: Approx. 8 hours

■Weight: Approx. 340g

■Belt Adjustment Range: Approx. 55-100cm

■Communication Range: Approx. 45m

■Frequency Response: 300-20kHz

■Operating Temperature Range: 0-40℃

■Microphone Input Terminal: 3.5mm mono jack (AT810S exclusive)



■Rated Output: 5W

■Maximum Output: 7W

■S/N Ratio: 60dB

■Current Consumption (at 1W output): 500mA



■Speaker Unit: φ66mm (Full-range cone, 6W, 4Ω)

■Maximum Input: 10W

■Rated Input: 6W

Output Sound Pressure Level: 86±2dB

〈Hands-Free Microphone AT810S〉

■Type: Dynamic

■Polar Pattern: Unidirectional

■Frequency Response: 200-8kHz

■Sensitivity (0dB=1V/Pa, 1kHz): -54.5dB

■Output Impedance: 600Ω

■Weight: Approx. 25g

■Cord: 1.2m

■Connector: 3.5mm Gold-Plated Mono Mini

■Accessories: Windscreen