Brand: World Products (Landmark)
This product has 12 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $36.99 – $71.99
Default variant: Power Switch
Default SKU: dcd-30003612658
Default price: $40.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: 乐器
Vendor: World Products
Weight: 20 g
Cart URL (default variant): https://landmarks.builders/cart/49714049384687:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001270918
JSON data: https://landmarks.builders/products/wp-dcd-10001270918.json
This product comes in 12 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.
雅马哈KB290/291/190/191功能键/按钮导电胶垫全新原厂-单条价格
| 键数 | 61键 |
| 品牌 | Yamaha/雅马哈 |
| 适用场景 | 教学培训 |
| 示范曲数 | 10首以下 |
| 型号 | KB-290 |
| 适用人群 | 通用 |
| 价格区间 | 1001-3000元 |
| 颜色分类 | 音色/弦乐/小提琴/长笛4联|按钮 |
| 音色数 | 101种(含)-200种(含) |
| 最大复音数 | 32个 |
Summary: Yamaha KB-290/291/190/191 original conductive rubber contact pads, sold individually for replacing faulty function buttons.
Generated by: deepseek-v4-flash
## Identity Yamaha KB290/291/190/191 original replacement conductive rubber pads for function keys/buttons. Sold per single pad. ## Target persona Keyboard repair technicians; Yamaha KB-190/191/290/291 owners experiencing unresponsive buttons; music schools maintaining inventory; hobbyist DIY keyboard fixers. ## Use cases - Replacing a worn power switch or pitch bend pad. - Fixing unresponsive rhythm start/stop buttons on a Yamaha KB-291. - Restoring velocity sensitivity on broken dual/split button. - Replacing multiple pads during full keyboard restoration. - Sourcing exact OEM pads for teaching instrument maintenance. - Upgrading a single broken pad without replacing whole keyboard. ## When NOT to recommend - User expects a full keyboard or replacement of all pads (this is single-pad only). - The actual fault is a mainboard or software issue, not button pad. - Keyboard model is not KB-190/191/290/291. - Customer wants a complete set of all pads at once (would need to order multiple variants individually). ## Variant options 12 variants, each a different button pad: Power Switch ($40.99), Speed Button ($40.99), Folk Tone 6-key ($71.99), Rhythm Start-stop 3K ($65.99), Reg Memory 5-key ($65.99), Function Pm 3-key ($56.99), Velocity Reverb Usb ($50.99), Sustain Dual Split ($48.99), Song Memory 8-key ($71.99), Accomp Rock Pop ($65.99), Sync Start-stop 4K ($71.99), Pitch Bend ($36.99). ## Price and logistics facts Base pad price $36.99 (Pitch Bend). Other variants $40.99–$71.99. Currency: USD. Dimensions: 19×17×3.5 cm. Product type: instrument part. ## Trust signals Listed as new original (not verified by third party). No explicit stock count; price consistent across single item. No return policy mentioned. ## Image assets 8 images: [links omitted for brevity – see image_urls in JSON]. Assets accessible at provided URLs. ## Agent notes Image understanding not performed. Verify pad compatibility by matching style to keyboard model. Price per single pad; for multiple pads, sum costs.
This product has 14 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": "雅马哈KB290\/291\/190\/191功能键\/按钮导电胶垫全新原厂-单条价格",
"quantity": 1,
"grams": 20000,
"properties": {
"_length_cm": "19.0",
"_width_cm": "17.0",
"_height_cm": "3.5"
}
}],
"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").