Sennheiser HD 650 - Audiophile Hi-Res Open Back Dynamic Headphone
Amazon’s List Price of $579.95 is above every price we have recorded for a new one since September 14, 2026.
$378.00 is above the middle of our record.
On November 2, 2026 the Sennheiser HD 650 - Audiophile Hi-Res Open Back Dynamic Headphone costs $378.00 at Amazon, sold by HRRLLC. Its usual price over the 50 days we have recorded since September 14, 2026 is $329.95; the lowest we recorded was $299.00, on September 14, 2026.
The middle price across the 50 days we have watched it, counting the days a limited-time deal was running, was $329.95. That is $48.05 less than today. It reached $299.00 at least once in that time, and the high was $379.99.
Today's price is $48.05 above its usual $329.95.
This describes the prices we recorded. It is not a forecast of where this one goes next.
Price at AmazonVerified
Price history since September 14, 2026 (50 days)
One line: the best price any tracked retailer charged, per day.
Price set by a third-party seller, not the retailer itself
Shaded stretches are sales, from our calendar.
| Price | Now | Lowest | Highest | Usual | Average | Days recorded |
|---|---|---|---|---|---|---|
| New | $378.00 | $299.00 on Sep 14 | $379.99 on Oct 27 | $329.95 | $340.28 | 50 |
| Sold by Amazon | — | $322.15 on Oct 15 | $379.99 on Oct 27 | — | $351.39 | 28 |
| Third-party sellers | — | $299.00 on Sep 14 | $399.00 on Oct 6 | — | $335.01 | 50 |
- 30 days
- $322.15 on Oct 15
- All time
- $299.00 on Sep 14
Next time, from Amazon: change amazon.com to basketprice.com in a product’s address. This one is basketprice.com/dp/B00018MSNI.
Sales events
Next on the calendar: Black Friday, likely November 19–30. We keep checking this price through it and report here what it did.
Waiting for a sale? How often prices for headphones move, and how far they swing, beside every other category we track.
Has Sennheiser HD 650 - Audiophile Hi-Res Open Back Dynamic Headphone dropped in price?
- No: $48.07 more than the $329.93 it cost on October 18, 2026: this price went up, not down.
- Below its usual $329.95 on 7 of the 50 days we have watched it here, in 2 separate stretches; the lowest, $299.00, held from September 14, 2026 to September 17, 2026.
- Cheaper than this on 74% of the 50 days we have watched it here.
Computed from our own checks at Amazon as of November 2, 2026. No line here uses a price a retailer told us about.
Where to buy
- Held for
- 2d
- Their 50-day low
- $299.00
- Checked
- 1h ago
Prices checked at least every 20 hours; “held for” is how long that retailer has been charging this price. How we check prices.
We earn a commission on purchases. It never affects our rankings.
What it is
7 attributes, in the retailer’s own words. We record the prices; these we only pass on.
- Size
- Over ear - Open Back
- Color
- Gray
- Weight
- 0.57 pounds
- Dimensions
- 12.4 × 10 × 4.33 inches
- Model
- 508825
- Released
- March 2019
- Warranty
- 2 years
Every change we recorded at Amazon
Every row is a price we saw change. We write one only when a price actually moves, so a gap here means the price held.
| When | Price | Change |
|---|---|---|
| · 2d ago | $378.00 | −$1.95 |
| · 3d ago | $379.95 | +$0.05 |
| · 4d ago | $379.90 | −$0.05 |
| · 5d ago | $379.95 | −$0.04 |
| · 6d ago | $379.99 | +$0.04 |
| · 12d ago | $379.95 | +$49.95 |
6 older changes
| When | Price | Change |
|---|---|---|
| · 13d ago | $330.00 | +$0.95 |
| · 13d ago | $329.05 | +$0.02 |
| · 14d ago | $329.03 | −$0.90 |
| · 15d ago | $329.93 | −$0.02 |
| · 16d ago | $329.95 | +$0.65 |
| · 16d ago | $329.30 | −$0.65 |
Others we track in Headphones
See all Headphones prices
$378.00
at Amazon · we earn a commission