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Sundown Audio SFB-1500D 1500W Mono Class D Car Amplifier 1-Ohm Bass Boost

Rated4.5(174 ratings)In stock

Good price

$185.32 is 9% below the $205.72 it normally sells for.

Now
$185.32
Normally
$205.72
Lowest in 142 days
$174.71(Jul 6)
Highest
$209.95
Evidence: Strong142 days tracked40 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 $185.32. No account, no newsletter.

The listing's crossed-out price

Holds up

The listing shows

crossed out: Typical $209.95 −12%

Against its normal price

−9% vs $205.72

Typical $209.95 (−12%) holds up: today's price is 9% 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 · 142 days · 40 price changes

Loading the price chart.

  • Price
  • Normal $205.72
  • 5% or more below normal

How often does it drop below normal?

In the 142 days we've tracked it, this is the first time it has stayed 5% or more below today's normal price for an hour or more. It has been below normal for about 2 days so far. One brief dip under an hour isn't counted.

A count of what happened, not a prediction.

More real deals in Car Electronics

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B071G9Z373
Request
curl https://trackpin.co/api/v1/product/B071G9Z373 \
  -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 19:23 UTC
{
  "asin": "B071G9Z373",
  "title": "Sundown Audio SFB-1500D 1500W Mono Class D Car Amplifier 1-Ohm Bass Boost",
  "image": "https://m.media-amazon.com/images/I/61Se1h12qlL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Car Audio or Theater",
  "category_label": "Car Electronics",
  "in_stock": true,
  "price": {
    "current_cents": 18532,
    "reference_cents": 20572,
    "discount_pct": 9.92,
    "is_deal": true,
    "observed_at": 1794420376732,
    "changed_at": 1794395490926,
    "checked_at": 1794420376732,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 9.92,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $185.32 is 9% below the $205.72 it normally sells for."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 20995,
    "claimed_pct": 12,
    "real_pct": 9.92,
    "class": "holds_up",
    "observed_at": 1794420379453
  },
  "stats": {
    "min_cents": 17471,
    "max_cents": 20995,
    "avg_cents": 20829,
    "history_days": 142,
    "price_levels": 236,
    "price_changes": 40,
    "distinct_prices": 10,
    "lowest_at": 1783363099544
  },
  "history": [
    {
      "price_cents": 19912,
      "from": 1793919373073,
      "to": 1793977856836
    },
    {
      "price_cents": 19559,
      "from": 1793993671109,
      "to": 1794243015502
    },
    {
      "price_cents": 19222,
      "from": 1794254158521,
      "to": 1794324533159
    },
    {
      "price_cents": 18870,
      "from": 1794337242650,
      "to": 1794393330954
    },
    {
      "price_cents": 18532,
      "from": 1794395490926,
      "to": 1794420376732
    }
  ],
  "last_seen": 1794420379453
}
// … 231 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.