Skip to content
TrackPin
Check a price
Menu
Developers

Theme

Topping DX3pro+ LDAC Headphone Amplifier with ES9038Q2M XU208 Chip, USB/Optical/Coaxial/Bluetooth to L/R RCA Line Output 3.5mm Headphone DAC Amp Preamp (Black)

Show full title
Rated4.3(101 ratings)Only 3 left

Great price

$139.00 is 30% below the $199.00 it normally sells for, and the lowest we've seen in 141 days.

Now
$139.00
Normally
$199.00
Lowest in 141 days
$139.00(Nov 11)
Highest
$199.00
Evidence: Strong141 days tracked5 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $139.00. No account, no newsletter.

The listing's crossed-out price

Holds up

The listing shows

crossed out: Typical $199.00 −30%

Against its normal price

−30% vs $199.00

Typical $199.00 (−30%) holds up: today's price is 30% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 22 · 141 days · 5 price changes

Loading the price chart.

  • Price
  • Normal $199.00
  • 5% or more below normal

How often does it drop below normal?

In the 141 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 3 times, typically lasting about 2 days. It's below normal right now.

A count of what happened, not a prediction.

More real deals in Industrial & Scientific

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0CT89RTFX
Request
curl https://trackpin.co/api/v1/product/B0CT89RTFX \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 17:36 UTC
{
  "asin": "B0CT89RTFX",
  "title": "Topping DX3pro+ LDAC Headphone Amplifier with ES9038Q2M XU208 Chip, USB/Optical/Coaxial/Bluetooth to L/R RCA Line Output 3.5mm Headphone DAC Amp Preamp (Black)",
  "image": "https://m.media-amazon.com/images/I/61hc1OTPX5L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "BISS Basic",
  "category_label": "Industrial & Scientific",
  "in_stock": true,
  "price": {
    "current_cents": 13900,
    "reference_cents": 19900,
    "discount_pct": 30.15,
    "is_deal": true,
    "observed_at": 1794404065288,
    "changed_at": 1794383491864,
    "checked_at": 1794404065288,
    "source": "stored"
  },
  "verdict": {
    "label": "great",
    "text": "Great price",
    "pct_vs_normal": 30.15,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Great price. $139.00 is 30% below the $199.00 it normally sells for, and the lowest we've seen in 141 days."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 19900,
    "claimed_pct": 30,
    "real_pct": 30.15,
    "class": "holds_up",
    "observed_at": 1794393360547
  },
  "stats": {
    "min_cents": 13900,
    "max_cents": 19900,
    "avg_cents": 19771,
    "history_days": 141,
    "price_levels": 199,
    "price_changes": 5,
    "distinct_prices": 4,
    "lowest_at": 1794383491864
  },
  "history": [
    {
      "price_cents": 19900,
      "from": 1785323049971,
      "to": 1785330610171
    },
    {
      "price_cents": 19900,
      "from": 1789189702268,
      "to": 1791229305431
    },
    {
      "price_cents": 17512,
      "from": 1791267277685,
      "to": 1791314296031
    },
    {
      "price_cents": 19900,
      "from": 1791446986937,
      "to": 1794375497144
    },
    {
      "price_cents": 13900,
      "from": 1794383491864,
      "to": 1794404065288
    }
  ],
  "last_seen": 1794404065288
}
// … 194 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.