Blackbox 800Z ESC / Sonic 540-M3 17.5 SS Combo

Team Associated / Reedy

$149.00 $288.99
SKU: Blackbox 800Z ESC / Sonic 540-M3

This Reedy ESC and Motor combo includes the Blackbox 800Z 2S Zero-Timing ESC (ASC27002) and the Sonic 530-M3 Spec Short Stack 1S 17.5 Turn Brushless Motor (ASC269) into one awesome package.

Spec Class Precision - Competition Proven
The Reedy Blackbox 800Z Zero-Timing Sensored Brushless Competition ESC has been track tested and competition proven. The 800Z ESC was developed specifically for Spec class racers to be simple to use, economical, and powerful. Qualities that include excellent throttle and brake feel, a wide range of adjustability, and robust hardware make the Blackbox 800Z a great choice for Spec racing applications.

Sonic 540-M3 Spec motors walk the edge of legality in exchange for maximum power output and RPM thanks to a redesigned stator, pure copper magnet wire, and low-resistance collector rings. Available in short-stack 17.5 and 13.5 versions to suit 1S-powered pan cars and with the right setup, can be used create a power advantage in 2S-powered buggies, trucks, and touring cars.


  • ESC:
    • Lightweight plastic case with compact footprint
    • Low-profile heat sink
    • Fully adjustable brake and throttle functions
    • On-board, single-button programming
    • Zero-timing ROAR-approved software
    • Low-resistance circuitry
    • Precision throttle and brake control
    • Solder tabs for easy wire placement
    • 13-gauge power wires
    • Compact external capacitor board
    • Competition proven
  • ESC Adjustable Settings:
    • Operation Mode – Select Forward/Brake (F/B) or Forward/Brake/Reverse (F/B/R) operation
    • Drag Brake – Adjust automatic braking strength when the throttle trigger is returned to neutral
    • Power Profile – Increase or decrease punch
    • Drive Frequency – Adjust to create a smoother or more aggressive throttle feel
    • Brake Frequency – Adjust to create a smoother or more aggressive brake feel
    • Restore Default – Restore the factory default settings
  • Motor:
    • CNC machined, lightweight 3-piece can
    • Aluminum end cap
    • Low-resistance, silver-plated solder tabs
    • Optimized air cooling
    • Dual-precision ball bearings
    • Balanced rotor
    • High-strength magnet
    • Adjustable timing
    • Completely rebuildable
    • Competition proven
    • Built to ROAR/EFRA/IFMAR specs


  • ESC:
    • Voltage Input: 7.4V / 2S LiPo
    • On Resistance: 0.0004Ω
    • Continuous Current: 80A
    • Dimensions: 40.2x31.0x18.8mm
    • Weight w/o Wires: 37g
    • Motor Limit: 10.5T
    • SBEC: 6.0V / 3A
  • Motor:
    • Voltage Input: 3.7V-7.4V/ 1S-2S LiPo
    • Diameter: 35.8mm
    • Length: 52.7mm
    • Shaft Diameter: 3.15mm
    • Weight: 170-176g