{ "mpn": "31102", "maker": { "name": "Holybro", "country": "unknown", "role": "brand" }, "made_in": "unknown", "price": [ { "qty": 1, "usd": 62.99, "kind": "list", "source": "https://holybro.com/products/tekko32-f4-4in1-50a-esc", "as_of": "2026-10-29" } ], "moq": 1, "lead_time": "unknown", "hts": "unknown", "links": { "product": "https://holybro.com/products/tekko32-f4-4in1-50a-esc", "datasheet": null, "cad": null }, "equivalents": [ "dr-ark-4in1-esc", "dr-speedybee-bls-55a-4in1" ], "pairs_with": [ "dr-holybro-pixhawk-6c", "dr-iflight-xing2-2207-1855kv" ], "maglev": { "custom": "", "directory_ref": null }, "confidence": "VERIFIED", "id": "dr-holybro-tekko32-f4-50a", "name": "Holybro Tekko32 F4 4in1 50A ESC (AM32)", "subcategory": "escs", "brand": "Holybro", "summary": "Low-cost 4-6S 50 A 4-in-1 FPV/multirotor ESC on AM32 firmware, 30.5 mm mount.", "specs": { "cont_current_a": { "label": "Continuous current", "value": "50 A x4 (60 A burst)", "num": 50, "unit": "A" }, "cells": { "label": "Cells (LiPo)", "value": "4-6S", "num": 6, "unit": "S max" }, "protocol": { "label": "Protocol", "value": "DShot150/300/600/1200, MultiShot/OneShot/ProShot/PWM, ESC telemetry" }, "weight_g": { "label": "Weight", "value": "13.8 g", "num": 13.8, "unit": "g" } }, "sources": [ { "url": "https://holybro.com/products/tekko32-f4-4in1-50a-esc", "what": "specs, SKU, price" }, { "url": "https://bluelist.dcma.mil/gsp?id=gsp_index", "what": "DCMA Blue UAS list (Cleared List + Framework, transitioned from DIU), 'Blue List Products' table read 2026-10-29: entry 'no Holybro entries'" } ], "compliance": { "ndaa": "unknown", "blue_uas": "not-listed", "fcc": "n/a", "notes": "No Holybro entry on the DCMA Blue UAS list (checked 2026-10-29). Holybro HQ not confirmed from a page opened (third-party profiles place Holybro Technology Co., Ltd. in Shenzhen, China - unverified); no NDAA statement on the product page." }, "category": "drone", "subcategory_title": "Electronic Speed Controllers", "icon": "esc", "image": { "url": "https://parts.trymaglev.com/img/dr-holybro-tekko32-f4-50a.webp", "thumb": "https://parts.trymaglev.com/img/t/dr-holybro-tekko32-f4-50a.webp", "source_image": "https://holybro.com/cdn/shop/files/SKU31102_1_1024x1024.jpg?v=1773303077", "source_page": "https://holybro.com/products/tekko32-f4-4in1-50a-esc", "background": "removed (Apple Vision)", "as_of": "2026-10-29" }, "origin": { "code": null, "basis": "unknown" }, "hts_resolved": { "code": "8504.40.40.00", "typical": true, "key": "escs", "basis": "subcategory", "confidence": "medium", "note": "8504.40.9580 for use in UAS is 100% Section 232 since 2026-09-03; 8504.40.40 is not listed." }, "us_duty_by_origin": { "as_of": "2026-10-29", "rates": [ { "origin": "CN", "duty_pct": 37.5, "possible_pct": 0, "usmca": false }, { "origin": "TW", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "VN", "duty_pct": 12.5, "possible_pct": 0, "usmca": false }, { "origin": "IN", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "JP", "duty_pct": 12.5, "possible_pct": 0, "usmca": false }, { "origin": "KR", "duty_pct": 12.5, "possible_pct": 0, "usmca": false }, { "origin": "DE", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "MX", "duty_pct": 10, "possible_pct": 0, "usmca": true }, { "origin": "US", "duty_pct": 0, "possible_pct": 0, "usmca": false } ] }, "url": "https://parts.trymaglev.com/p/dr-holybro-tekko32-f4-50a/", "markdown": "https://parts.trymaglev.com/p/dr-holybro-tekko32-f4-50a/index.md", "equivalents_detail": [ { "id": "dr-ark-4in1-esc", "name": "ARK Electronics ARK 4IN1 ESC", "brand": "ARK Electronics", "mpn": "ark-4in1-esc", "category": "drone", "subcategory": "escs", "summary": "US-made 3-8S 50 A/motor 4-in-1 ESC on open ARK32/AM32 firmware; Blue UAS Framework listed.", "origin": "US", "origin_basis": "made", "price_usd": 218.5, "price_qty": 1, "ndaa": "compliant", "blue_uas": "listed", "image": "https://parts.trymaglev.com/img/dr-ark-4in1-esc.webp", "url": "https://parts.trymaglev.com/p/dr-ark-4in1-esc/", "json": "https://parts.trymaglev.com/api/parts/dr-ark-4in1-esc.json" }, { "id": "dr-speedybee-bls-55a-4in1", "name": "SpeedyBee BLS 55A 4-in-1 ESC (F405 V4 stack ESC)", "brand": "SpeedyBee", "mpn": "unknown", "category": "drone", "subcategory": "escs", "summary": "BLHeli_S 3-6S 55 A 4-in-1 ESC sold as the lower half of the SpeedyBee F405 V4 stack.", "origin": "CN", "origin_basis": "hq", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "not-listed", "image": "https://parts.trymaglev.com/img/dr-speedybee-bls-55a-4in1.webp", "url": "https://parts.trymaglev.com/p/dr-speedybee-bls-55a-4in1/", "json": "https://parts.trymaglev.com/api/parts/dr-speedybee-bls-55a-4in1.json" } ], "pairs_with_detail": [ { "id": "dr-holybro-pixhawk-6c", "name": "Holybro Pixhawk 6C", "brand": "Holybro", "mpn": "11054", "category": "drone", "subcategory": "flight-controllers", "summary": "Low-cost FMUv6C Pixhawk with two IMUs in a one-piece case; common choice for first PX4/ArduPilot builds.", "origin": null, "origin_basis": "unknown", "price_usd": 199, "price_qty": 1, "ndaa": "unknown", "blue_uas": "not-listed", "image": "https://parts.trymaglev.com/img/dr-holybro-pixhawk-6c.webp", "url": "https://parts.trymaglev.com/p/dr-holybro-pixhawk-6c/", "json": "https://parts.trymaglev.com/api/parts/dr-holybro-pixhawk-6c.json" }, { "id": "dr-iflight-xing2-2207-1855kv", "name": "iFlight XING2 2207 1855KV FPV Motor", "brand": "iFlight", "mpn": "unknown", "category": "drone", "subcategory": "motors", "summary": "Popular 6S 5-inch FPV motor; low-cost China-made baseline for FPV builds.", "origin": "CN", "origin_basis": "hq", "price_usd": 20.99, "price_qty": 1, "ndaa": "unknown", "blue_uas": "not-listed", "image": "https://parts.trymaglev.com/img/dr-iflight-xing2-2207-1855kv.webp", "url": "https://parts.trymaglev.com/p/dr-iflight-xing2-2207-1855kv/", "json": "https://parts.trymaglev.com/api/parts/dr-iflight-xing2-2207-1855kv.json" } ] }