Metra - Axxess ANC Bypass Harness for Select 2020 GM Vehicles - Multi
Price range: $24.99
Brand: Metra
Category: Car Radio Harness
A Metra car axxess anc bypass harness (for Select 2020 GM vehicles; Multi).
PQS: 87 (computed 2026-03-14 07:04:47.681174+00:00)
GTIN-14: 00086429431175
Key specs
A human-friendly subset of specs (non-null)
Accessory
Axxess ANC Bypass Harness
Compatibility
Select 2020 GM vehicles
Type
Harness
Included
Wiring harness
Finish
Multi
Compatibility
Best-effort fitment (not exhaustive)
- 2020 GM Vehicles
Included in the box
- Wiring harness
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6578201 | 24.99 USD | In stock | View offer → | 2026-03-14 03:26:55.610273+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 24.99 USD | In stock | 2026-03-14 03:26:55.610273+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-13 03:36:45.731189+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-12 03:26:46.581086+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-11 03:25:00.336724+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-10 03:34:06.969965+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-09 03:34:32.244012+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-06 06:31:45.852268+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-03 02:21:52.148336+00:00 |
| bestbuy | 24.99 USD | In stock | 2026-03-02 08:45:34.738345+00:00 |
Full specs
Show full spec table
| Type | Harness |
|---|---|
| Compatibility | Select 2020 GM vehicles |
| Finish | Multi |
| Dimensions | 1.58 x 5 x ? in |
| Reconciled at | 2026-03-06 10:56:32.254648+00:00 |
Canonical JSON (expand)
{
"os": {
"name": null
},
"car": {
"type": "Harness",
"finish": "Multi",
"din_type": null,
"included": [
"Wiring harness"
],
"material": null,
"compatibility": "Select 2020 GM vehicles",
"included_trim": null,
"included_screws": null,
"included_harness": true,
"included_adapters": null,
"included_brackets": null,
"compatibility_make": null,
"compatibility_model": null,
"compatibility_years": null,
"included_connectors": null,
"included_instructions": null,
"retains_factory_features": null
},
"cpu": {
"cores": null,
"tdp_w": null,
"socket": null,
"threads": null,
"npu_tops": null,
"cpu_model": null,
"lithography": null,
"base_clock_ghz": null,
"boost_clock_ghz": null
},
"gpu": {
"tdp_w": null,
"chipset": null,
"outputs": null,
"vram_gb": null,
"gpu_type": null,
"gpu_model": null,
"vram_type": null,
"base_clock_mhz": null,
"boost_clock_mhz": null
},
"core": {
"title": "Metra - Axxess ANC Bypass Harness for Select 2020 GM Vehicles - Multi",
"seo_title": "Metra ANC-GMH4 (2020)"
},
"lens": {
"mount": null,
"weight": null,
"focal_length": null,
"max_aperture": null,
"stabilization": null
},
"audio": {
"driver": null,
"wireless": null,
"technology": null,
"impedance_ohms": null,
"speakers_count": null,
"wireless_codecs": null,
"hi_res_certified": null,
"frequency_response": null
},
"brand": "Metra",
"build": {
"screen_glass": null,
"chassis_material": null
},
"color": null,
"extra": {},
"model": "ANC-GMH4",
"ports": {
"hdmi": null,
"usb_a": null,
"usb_c": null,
"sd_card": null,
"summary": null,
"ethernet": null,
"sim_slot": null,
"displayport": null,
"thunderbolt": null,
"headphone_jack": null
},
"power": {
"psu_watts": null
},
"camera": {
"mount": null,
"sensor": null,
"weight": null,
"iso_range": null,
"megapixels": null,
"rear_megapixels": null,
"front_megapixels": null,
"video_resolution": null,
"windows_hello_ir": null
},
"gtin14": "00086429431175",
"images": [
"https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6578/6578201_rd.jpg"
],
"memory": {
"ram_gb": null,
"channels": null,
"ram_type": null,
"speed_mhz": null
},
"series": null,
"battery": {
"life_hours": null,
"capacity_wh": null,
"capacity_mah": null
},
"display": {
"panel_type": null,
"resolution": null,
"color_gamut": null,
"hdr_formats": null,
"touch_screen": null,
"screen_size_in": null,
"brightness_nits": null,
"refresh_rate_hz": null,
"response_time_ms": null,
"pantone_validated": null
},
"release": {
"year": 2020
},
"storage": {
"interface": null,
"nand_type": null,
"read_speed": null,
"capacity_gb": null,
"form_factor": null,
"write_speed": null,
"endurance_tbw": null,
"storage_capacity_gb": null
},
"category": "car_radio_harness",
"features": {
"webcam": null,
"windows_ai": null,
"form_factor": null,
"software_perks": null,
"backlit_keyboard": null,
"convertible_2in1": null,
"fingerprint_reader": null
},
"physical": {
"depth_in": null,
"width_in": 5.0,
"height_in": 1.58,
"weight_kg": 0.02,
"dimensions_in": "1.58 x 5 x ? in"
},
"thermals": {
"cooling_type": null,
"thermal_interface": null
},
"warranty": {
"labor": "Not available",
"parts": "1 Year"
},
"wearable": {
"ecg": null,
"gps": null,
"spo2": null,
"skin_temp": null,
"heart_rate": null,
"display_type": null,
"nfc_payments": null,
"compatibility": null,
"music_storage": null,
"sleep_tracking": null,
"display_size_in": null,
"battery_life_days": null,
"stress_monitoring": null,
"smart_notifications": null,
"workout_modes_count": null,
"water_resistance_atm": null
},
"appliance": {
"btu": null,
"eer": null,
"ceer": null,
"type": null,
"modes": null,
"smart": null,
"steam": null,
"zones": null,
"finish": null,
"air_fry": null,
"burners": null,
"voltage": null,
"inverter": null,
"noise_db": null,
"fuel_type": null,
"ice_maker": null,
"wattage_w": null,
"convection": null,
"depth_type": null,
"door_alarm": null,
"fan_speeds": null,
"frost_free": null,
"rack_count": null,
"sensor_dry": null,
"third_rack": null,
"airflow_cfm": null,
"energy_star": null,
"filter_type": null,
"glide_racks": null,
"soil_sensor": null,
"broiler_type": null,
"cycles_count": null,
"defrost_type": null,
"garage_ready": null,
"tub_material": null,
"venting_type": null,
"air_direction": null,
"baskets_count": null,
"capacity_cuft": null,
"cleaning_type": null,
"drum_material": null,
"drying_system": null,
"energy_rating": null,
"lighting_type": null,
"mounting_type": null,
"shelves_count": null,
"cooling_system": null,
"dimensions_hwd": null,
"interior_light": null,
"place_settings": null,
"room_size_sqft": null,
"sanitize_cycle": null,
"sensor_cooking": null,
"shelf_material": null,
"spin_speed_rpm": null,
"turntable_size": null,
"bottle_capacity": null,
"convection_type": null,
"water_dispenser": null,
"interior_coating": null,
"annual_energy_kwh": null,
"cutout_dimensions": null,
"humidity_crispers": null,
"temperature_range": null,
"wash_cycles_count": null,
"oven_capacity_cuft": null,
"water_level_control": null,
"agitator_or_impeller": null,
"capacity_fridge_cuft": null,
"daily_production_lbs": null,
"independent_controls": null,
"capacity_freezer_cuft": null,
"lower_oven_capacity_cuft": null,
"upper_oven_capacity_cuft": null
},
"networking": {
"ports": null,
"cellular": null,
"band_count": null,
"throughput": null,
"wifi_standard": null,
"ethernet_ports": null
},
"peripheral": {
"dpi": null,
"rgb": null,
"platform": null,
"driver_mm": null,
"vibration": null,
"microphone": null,
"sensor_type": null,
"switch_type": null,
"connectivity": null
},
"smart_home": {
"learning": null,
"resolution": null,
"connectivity": null,
"night_vision": null,
"power_source": null,
"compatibility": null,
"chime_included": null
},
"certifications": {
"energy_star": null,
"epeat_level": null
},
"schema_version": 1
}
Related products
Simple similarity over extracted specs (publish_set only)
Debug data (expand)
| Raw title | Metra - Axxess ANC Bypass Harness for Select 2020 GM Vehicles - Multi |
|---|---|
| Raw brand | Metra |
| Raw category | Best Buy > Car Electronics & GPS > Car Installation Parts & Accessories > Deck Accessories & Installation Parts > Deck Harnesses > Wiring Harnesses |
Canonical highlights (non-null)
| car.type | Harness |
|---|---|
| car.finish | Multi |
| car.included[0] | Wiring harness |
| car.compatibility | Select 2020 GM vehicles |
| car.included_harness | True |
| core.title | Metra - Axxess ANC Bypass Harness for Select 2020 GM Vehicles - Multi |
| core.seo_title | Metra ANC-GMH4 (2020) |
| brand | Metra |
| model | ANC-GMH4 |
| gtin14 | 00086429431175 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6578/6578201_rd.jpg |
| release.year | 2020 |
| category | car_radio_harness |
| physical.width_in | 5.0 |
| physical.height_in | 1.58 |
| physical.weight_kg | 0.02 |
| physical.dimensions_in | 1.58 x 5 x ? in |
| warranty.labor | Not available |
| warranty.parts | 1 Year |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
{
"sku": 6578201,
"upc": "086429431175",
"url": "https://api.bestbuy.com/click/-/6578201/pdp",
"name": "Metra - Axxess ANC Bypass Harness for Select 2020 GM Vehicles - Multi",
"image": "https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6578/6578201_rd.jpg",
"details": [
{
"name": "Brand",
"value": "Metra",
"values": [
"Metra"
]
},
{
"name": "Model Number",
"value": "ANC-GMH4",
"values": [
"ANC-GMH4"
]
},
{
"name": "Product Name",
"value": "Axxess ANC Bypass Harness for Select 2020 GM Vehicles",
"values": [
"Axxess ANC Bypass Harness for Select 2020 GM Vehicles"
]
},
{
"name": "Color",
"value": "Multi",
"values": [
"Multi"
]
},
{
"name": "Vehicle Compatibility",
"value": "Select 2020 GM vehicles",
"values": [
"Select 2020 GM vehicles"
]
},
{
"name": "Product Compatibility",
"value": "Audio/Video",
"values": [
"Audio/Video"
]
},
{
"name": "Product Type",
"value": "Harness",
"values": [
"Harness"
]
},
{
"name": "Harness Type",
"value": "Audio/Video",
"values": [
"Audio/Video"
]
},
{
"name": "Product Height",
"value": "1.58 inches",
"values": [
"1.58 inches"
]
},
{
"name": "Product Length",
"value": "11 inches",
"values": [
"11 inches"
]
},
{
"name": "Product Width",
"value": "5 inches",
"values": [
"5 inches"
]
},
{
"name": "Product Weight",
"value": "0.04 pounds",
"values": [
"0.04 pounds"
]
},
{
"name": "Warranty - Parts",
"value": "1 year",
"values": [
"1 year"
]
},
{
"name": "Warranty - Labor",
"value": "Not available",
"values": [
"Not available"
]
}
],
"features": [
{
"feature": "Compatible with select 2020 GM vehicles\nSolves common problems for installers adding subwoofers or aftermarket speakers to vehicles with active noise cancellation (ANC)."
},
{
"feature": "Bypasses factory ANC microphones\nWhen you add a subwoofer, the ANC microphones malfunction and cause noise issues in the vehicle. This bypass harness is designed to prevent these issues while giving you more flexibility in your audio system design."
},
{
"feature": "Quality connectors\nMaintain proper communication between audio equipment and the ANC system."
}
],
"condition": "New",
"salePrice": 24.99,
"categoryPath": [
{
"id": "cat00000",
"name": "Best Buy"
},
{
"id": "abcat0300000",
"name": "Car Electronics & GPS"
},
{
"id": "pcmcat165900050023",
"name": "Car Installation Parts & Accessories"
},
{
"id": "pcmcat165900050031",
"name": "Deck Accessories & Installation Parts"
},
{
"id": "pcmcat165900050034",
"name": "Deck Harnesses"
},
{
"id": "pcmcat1708457172069",
"name": "Wiring Harnesses"
}
],
"manufacturer": "Metra",
"regularPrice": 24.99,
"shippingCost": 5.49,
"longDescription": "This AXXESS bypass harness is designed to solve common problems for installers adding subwoofers or aftermarket speakers to vehicles with active noise cancellation (ANC). It maintains proper communication between audio equipment and the ANC system, giving listeners full control over their music without sound distortion, interference, or conflict between devices.",
"shortDescription": null,
"onlineAvailability": true,
"inStoreAvailability": true
}
Newegg raw specs
No Newegg raw specs saved for this product yet.