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PORTABLE RADIOS

SG Model WR-7 WR-8 WR-9
FM Frequency (MHz) 87.5–108 87.5–108 87.5–108
TUNER FM RDS/BDS - - -
AM / MW Frequency (kHz) - 522–1710 (9k) 520–1710 (10k)

TUNING Rotary Tuning O O O
Bluetooth O O O
MEDIA
Aux-in O - -
Version 4.2 5.2 5.2
BLUETOOTH Codec SBC SBC SBC
A2DP O O O

Type Dial Scale Dial Scale Dial Scale
Backlight O O O
Dimmer - O O
DISPLAY
LED Tuning Indicator O O O

LED Low Battery Indicator O O O
LED Charging Indicator O O O
Speaker Size 40mm / 1.57" 50mm / 2" 50mm / 2"
Speaker Impedance 4 ohm 4 ohm 4 ohm
Speaker Output (AC / DC Powered) 1.4W FM / 1.6W BT & AUX 1.8W AM & FM / 4.75W BT 1.8W AM & FM / 4W BT
Speaker Output (Battery Powered) 1.4W FM / 1.6W BT & AUX 1.3W AM & FM / 4.2W BT 1.5W AM & FM / 4W BT
AUDIO
Speaker Output (Max) 6W 8W 8W
Amplifier Class AB/D Class AB/D Class AB/D
AM/FM-Stereo Earphones - 1mW x 2 1mW x 2
Portable Digital Tuning Radio Loudness Always on - -
Aux-in (3.5mm) O - -

Earphone (3.5mm) - O O
I/O USB Socket Type USB Micro-B USB Type-C USB Type-C
SOCKET
USB Socket DC In O O O
External Antenna Port 3.5mm FM Antenna Jack 3.5mm FM Antenna Jack 3.5mm FM Antenna Jack
AC / DC DC-in 5V/1A DC-in 5V/2.4A DC-in 5V/2.4A
Battery 18650 Li-Ion Battery 3.6V/2600mAh 18650 Li-Ion Battery 3.7V/3350mAh 18650 Li-Ion Battery 3.7V/3350mAh
POWER Battery Life (Speaker playback
SUPPLY time on built-in battery) - 54 hr 57 hr
Battery Life (Earphone playback - 70 hr 75 hr
time on built-in battery)
Battery Rechargeability O O O
Charging Cable USB A to Micro USB USB-A to USB-C USB-A to USB-C
ACCESSORIES
External Antenna FM Wire Antenna FM Wire Antenna FM Wire Antenna

Width (mm) 116 134 80.2
Height (mm) 65 82 137.2
Depth (mm) 73 78.7 79.2
Weight (g) 376.6 437 460
DIMENSIONS
Width (inch) 4.57 5.28 3.16
Height (inch) 2.56 3.23 5.4

Depth (inch) 2.87 3.1 3.12
Weight (lb) 0.83 0.96 1.01
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