The Sangean MMR-77 is a highly reliable, heavy-duty portable FM/AM radio receiver engineered specifically for emergency preparedness, disaster survival, outdoor camping, and off-grid adventures. Built to keep you connected and informed during power outages or critical situations, this robust emergency radio is manufactured by SANGEAN. It serves as an essential, life-saving addition to emergency readiness kits, hiking gear, and marine vessels.
The MMR-77 is equipped with an ultra-versatile triple-power supply configuration to guarantee operational readiness under any circumstances. It can be powered via its built-in dynamo hand crank generator (manual charging), an integrated rechargeable battery pack, or through an external AC power adapter for home use. The receiver features a high-sensitivity analog tuner with manual rotary controls to navigate standard AM and FM frequencies. For auxiliary utility, the shock-resistant, water-resistant housing incorporates a high-visibility LED emergency lamp, an integrated audible distress buzzer to signal for rescue, and a standard 3.5mm headphone jack for private monitoring.
Key Features
- High-sensitivity AM/FM tuner with easy-to-use rotary band and volume controls.
- Triple-power autonomy: hand crank generator, built-in rechargeable battery, and AC input.
- Integrated LED emergency flashlight/lamp to restore visibility during sudden blackouts.
- High-decibel emergency buzzer designed to emit loud distress signals in rescue situations.
- Water-resistant chassis engineered to withstand harsh outdoor meteorological conditions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Sangean |
| Model Designation | MMR-77 (MMR77) |
| Receiver Type | AM / FM Emergency Portable Radio |
| FM Frequency Range | 87.5 – 108 MHz |
| AM Frequency Range | 520 – 1710 kHz |
| Antenna System | FM: Telescopic Whip / AM: Internal Ferrite Bar |
| Power Configuration | Dynamo Hand Crank / Internal Rechargeable Battery / DC-In (3V) |
| Audio Transducer | Built-in 2.25″ Speaker (0.4 W typical output) |
| External Audio Output | 3.5 mm Stereo Headphone Jack |
| Environmental Rating | Water-Resistant (not submersible) |
| Physical Dimensions | 152 x 83 x 63 mm (W x H x D) |
| Net Weight | Approx. 500 g |
Package Content
- 1x Sangean MMR-77 AM/FM Emergency Radio
- 1x Heavy-Duty Hand Wrist Strap
- 1x Comprehensive User Manual
