Price History for Acoustics 101 : Speaker design basics and enclosure design
This page shows the historical price changes available for Acoustics 101 : Speaker design basics and enclosure design from the retailer Udemy, helping shoppers understand how the price has changed over time and whether the current price is a good deal. This can help you identify common predictable discount patterns, such as seasonal sales or clearance events, and the best time to buy to avoid overpaying.
From Tuesday, August 23, 2022 to Wednesday, February 11, 2026, this product’s price ranged from $9.99 to $99.99, with the lowest price occurring on Sunday, November 30, 2025. If you’re deciding whether to buy now or wait, reviewing historical pricing can help you determine if the current price is above or below the typical range of $28.03 on average in this case.
Glass It monitored this product’s price for 1 customer so far who requested we send daily alerts when the price drops below their target price. If you're waiting for a better deal, you can also set a price alert to get notified when the price falls below your target. The chart below shows every recorded price change for Acoustics 101 : Speaker design basics and enclosure design over the last year.
| Data size: | 71 records available |
| Lowest price: | $9.99 |
| Highest price: | $99.99 |
| Average price: | $28.03 |
| Earliest price alert: | Tue, August 23, 2022 |
| Latest price alert: | Wed, February 11, 2026 |
| Price increases: | 29 |
| Price Drops: | 32 |
| Price increase alerts: | 30 |
| Price Drop Alerts: | 41 |
| Back In Stock Alerts: | 0 |
| Out of Stock Alerts: | 0 |
| Postal Code(s): | nearest store |
| Product Locale: | US |
| Product Currency: | US Dollar |
| Users Tracking Item: | 2 |
| Data is based on price change notification settings from Glass It. | |
Price Trend Analysis
The price for the course "Acoustics 101 : Speaker design basics and enclosure design" on Udemy has shown significant fluctuations over the period analyzed. The lowest price was found at $9.99, while the highest price reached $99.99.
From August 2022 to January 2023, there were several instances of pricing ranging between $9.99 and $19.99, with occasional spikes up to $69.99. In February and March 2023, prices were generally lower, averaging around $15.99 to $17.99.
A notable increase occurred in May 2023, where the price surged to $69.99 and remained at this level for an extended period until late 2025. There were several drops back to $9.99 or $10.99 during this time, particularly in November and December 2025.
From January 2026 onwards, the price stabilized at $69.99, indicating a sustained period of higher pricing.
The average price across all data points is $27.43, suggesting that the typical cost is relatively low compared to the peak prices observed.
There were 32 actual price drops out of 70 recorded updates, and 29 actual increases, indicating a somewhat volatile pricing environment with frequent adjustments.
Is Now a Good Time to Buy?
The current average price for the item is $27.43, but it has varied widely over time, ranging from a minimum of $9.99 to a maximum of $99.99. The last recorded price was $69.99 on January 30, 2026. The lowest price found in the dataset was $9.99 on November 30, 2025, which suggests that this could be an opportune time to purchase.
Considering the price history, it seems that the price is currently at a relatively high point compared to its historical lows. Therefore, if you are looking to buy, it might be wise to wait for further drops in price, as the item has shown significant variability in pricing. However, if you need the product now, purchasing at the current price might be reasonable.
Additionally, you might want to set up price alerts or check periodically to see if the price drops below $27.43 or closer to the historical low of $9.99 before making a final decision.
Frequently Asked Questions
How accurate is Glass It’s price history?
Glass It tracks prices directly from supported retailers and records real price changes over time upon customer request.
How often do prices change?
Prices may change daily, less frequently or more frequently depending on the retailer, demand, and promotional activity.
Does the chart include sales and promotions?
Yes, the chart includes all detected price changes, including temporary sales when available.
Can I get notified when the price drops?
Yes, you can set a price alert and receive notifications when the price reaches your target. For more information see our full list of FAQ.
Get Udemy price alerts
Set your desired price for this product, and we will alert you when the price drops. Our low-cost daily monitoring can save you from paying too much.
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