Headliner R4 4-Channel analog rotary DJ mixer with built-in Filter
Good price
$549.99 is 8% below the $599.99 it normally sells for.
- Now
- $549.99
- Normally
- $599.99
- Lowest in 142 days
- $499.99(Jul 28)
- Highest
- $599.99
Where today's price sits
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.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
The listing's crossed-out price
Holds upThe listing shows
crossed out: List $599.99 −8%
Against its normal price
−8% vs $599.99
List $599.99 (−8%) holds up: today's price is 8% 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 · 5 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 8% below its normal price of $599.99. Headliner R4 4-Channel analog rotary DJ mixer with built-in Filter price history, checked Nov 12, 2026: current price $549.99, normal (typical) price $599.99, average $581.55 over 142 days, lowest $499.99 (Jul 28, 2026), highest $599.99 (Oct 29, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $599.99
- 5% or more below normal
How often does it drop below normal?
In the 142 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting about 9 days. The last time ended Oct 29. It's below normal right now, for less than an hour so far.
A count of what happened, not a prediction.
Other ways to buy
New from
$550.00
KellardsFulfilled by Amazon · Seller rating 97% of 83,505
Used from
$484.99
ProaudiostarSeller rating 74% of 5,277
11 of 15 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| Proaudiostar | Used - Like New | $484.99 | No | 74% of 5,277 |
| Kellards | Used - Like New | $539.99 | Yes | 97% of 83,505 |
| Kellards | New | $550.00 | Yes | 97% of 83,505 |
| Rock & Soul DJ Equipment & Records | Used - Like New | $569.00 | No | 80% of 1,515 |
| Sole Source AV Supply | New | $599.99 | Yes | 82% of 1,351 |
| Liquid Audio Inc | New | $599.99 | Yes | 100% of 13,204 |
| Hollywood DJ - DJ Superstore | New | $599.99 | No | 68% of 765 |
| GearTree | New | $599.99 | No | 88% of 23,040 |
| Sam Ash | New | $599.99 | No | 75% of 32,115 |
| DigitalDJGear | New | $599.99 | No | 91% of 2,306 |
Showing the 10 lowest of 11 offers.
Amazon lists 15 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B0CRG9NY7W \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B0CRG9NY7W", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B0CRG9NY7W",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B0CRG9NY7W",
"title": "Headliner R4 4-Channel analog rotary DJ mixer with built-in Filter",
"image": "https://m.media-amazon.com/images/I/61kiXYIlQnL._AC_SL500_.jpg",
"currency": "USD",
"category": "Musical Instruments",
"category_label": "Musical Instruments",
"in_stock": true,
"price": {
"current_cents": 54999,
"reference_cents": 59999,
"discount_pct": 8.33,
"is_deal": true,
"observed_at": 1794461579749,
"changed_at": 1794461579749,
"checked_at": 1794461579749,
"source": "stored"
},
"verdict": {
"label": "good",
"text": "Good price",
"pct_vs_normal": 8.33,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Good price. $549.99 is 8% below the $599.99 it normally sells for."
},
"listing_claim": {
"label": "List:",
"listing_reference_cents": 59999,
"claimed_pct": 8,
"real_pct": 8.33,
"class": "holds_up",
"observed_at": 1794461623046
},
"stats": {
"min_cents": 49999,
"max_cents": 59999,
"avg_cents": 58155,
"history_days": 142,
"price_levels": 185,
"price_changes": 5,
"distinct_prices": 3,
"lowest_at": 1785197203802
},
"history": [
{
"price_cents": 49999,
"from": 1785197203802,
"to": 1785197203802
},
{
"price_cents": 59999,
"from": 1788099943540,
"to": 1793207789813
},
{
"price_cents": 54999,
"from": 1793217947467,
"to": 1793300407874
},
{
"price_cents": 59999,
"from": 1793309984847,
"to": 1794441380661
},
{
"price_cents": 54999,
"from": 1794461579749,
"to": 1794461579749
}
],
"last_seen": 1794461623046
}
// … 180 more steps in the full responseNormal 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.