XQ-Power XQ-BlS8120D

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	XQ-BLS8120D
Category	Hobby
Performance
Torque	8.4V 347.20 oz-in 7.4V 305.50 oz-in Above Average 6.0V 249.00 oz-in
Speed	8.4V 0.07 sec/60° 7.4V 0.09 sec/60° Above Average 6.0V 0.12 sec/60°
Physical
Weight	2.75 ozBelow Average
Dimensions	L 1.575 in W 0.787 in H 1.496 in
Drivetrain
Motor Type	Brushless
Gears	Stainless Steel
Control & Signal
Modulation	Digital
Control System	PWM
Electrical & Environment
Operating Voltage	7.4–12 V
Connectivity
Connector	JR (Universal) estimate
Wire Length	300 mm

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Amazon eBay

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 68% of 1060 Digital Standard servos at 7.4V
Speed	Above Average Faster than 84% of 1045 Digital Standard servos at 7.4V
Weight	Below Average Lighter than 16% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	3.84–9.17 W
Power Density	4.946 W/in³ More power-dense than 79% of 1768 Digital Standard servos
Torque Density	3.9167 oz-in/g Stronger than 59% of 1053 Digital Standard servos
Torque-to-Volume Ratio	164.75 oz-in/in³ Denser torque than 71% of 1058 Digital Standard servos
Speed-to-Weight	0.14245 (1/sec·g) Faster than 69% of 1038 Digital Standard servos
Speed-Torque Trade-off	27.49 Better balanced than 48% of 1034 Digital Standard servos
Voltage Range Width	4.6 V Wider voltage range than 95% of 1560 Digital Standard servos