Brand: World Products (Landmark)
SKU: dcd-30003392613
Price: $55.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Vendor: World Products
Weight: 400 g
Cart URL (default variant): https://landmarks.builders/cart/49810988138735:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/m4x-10001198845
JSON data: https://landmarks.builders/products/m4x-10001198845.json
This product comes in 1 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.
TPA3255 Amplifier Board High Fidelity 2.1 Channel Amplifier Board Low Distortion
| Manufacturer Part Number | YS-AS21 |
| Features | Bluetooth Compatible |
| RMS Power | 220 W |
| Item Height | 2.70 cm |
| Item Length | 14 cm |
| Item Weight | 500 g |
| Item Width | 15 cm |
| Number of Channels | 2 |
| Type | Amplifier |
Summary: TPA3255 Amplifier Board High Fidelity Subwoofer Power Amplifier AUX Input
Generated by: m4x-map-v1
This product has 12 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.
This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).
Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only.
POST https://wp-sfc-carrier.htfu.workers.dev/application/json
{
"rate": {
"origin": {"country": "CN"},
"destination": {
"country": "US",
"postal_code": "95014",
"province": "CA",
"city": "Cupertino"
},
"items": [{
"name": "TPA3255 Amplifier Board High Fidelity 2.1 Channel Amplifier Board Low Distortion",
"quantity": 1,
"grams": 400000,
"properties": {
"_length_cm": "15.1",
"_width_cm": "14.1",
"_height_cm": "5.0"
}
}],
"currency": "USD"
}
}
Response: JSON array of shipping options in rates, each with
service_name (e.g. "Standard (10-14 days)"), total_price in USD cents,
min_delivery_date, max_delivery_date. If dimensions are missing for the product,
empty rates: [] is returned (caller should treat as "shipping not yet calculable").