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 Thursday, April 02, 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 $27.70 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.
Udemy price history
Acoustics 101 : Speaker design basics and enclosure design
| Data size: | 74 records available |
| Lowest price: | $9.99 |
| Highest price: | $99.99 |
| Average price: | $27.70 |
| Earliest price alert: | Tue, August 23, 2022 |
| Latest price alert: | Thu, April 02, 2026 |
| Price increases: | 30 |
| Price Drops: | 33 |
| Price increase alerts: | 31 |
| Price Drop Alerts: | 43 |
| Back In Stock Alerts: | 0 |
| Out of Stock Alerts: | 0 |
| Postal Code(s): | nearest store |
| Product Locale: | US |
| Product Currency: | US Dollar |
| Users Tracked Item: | 2 |
| Users Tracking Item: | 3 |
| Data is based on price change notification settings from Glass It. | |
Price Trend Analysis
The price of the course "Acoustics 101 : Speaker design basics and enclosure design" has fluctuated significantly over the period observed, ranging from a minimum of $9.99 to a maximum of $99.99. The average price was found to be $27.70.
- **Lowest Price**: The lowest price of $9.99 was last seen on November 30, 2025. - **Highest Price**: The highest price of $99.99 was last seen on November 14, 2022, and then again on May 15, 2024, and several times thereafter.
There have been 33 actual price drops and 30 actual increases in the observed period. The most recent price was $29.99 as of April 2, 2026.
The price trend indicates significant volatility, with frequent fluctuations between lower ($9.99) and higher ($99.99) prices. This suggests that the pricing strategy for this course is likely influenced by various promotional activities or seasonal demand.
The current average price of $27.70 reflects a mixed market where both promotional discounts and premium pricing coexist. The course has been tracked by 3 users, with an average of approximately 1 user actively monitoring the price.
Is Now a Good Time to Buy?
The current average price for the item, "Acoustics 101: Speaker Design Basics and Enclosure Design," is $27.70. Looking at the historical price data, the lowest price found was $9.99, while the highest was $99.99. The latest recorded price is $29.99 as of April 2, 2026.
Given that the minimum price has been as low as $9.99 and considering the current price of $29.99, it might not be the best time to buy if you are looking for a lower price. However, the price has been relatively stable in recent months and there have been no significant drops observed recently.
Considering the number of users tracking the item (3) and the fact that it's currently available, it might be worth monitoring for any further drops in price or promotions. If the price remains at its current level or continues to trend upwards, it might be better to wait for potential discounts or sales before making a purchase.
In summary, while the current price is higher than some of the historical lows, it might still be a good time to consider purchasing depending on your budget and willingness to wait for lower prices.
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.
![Price History and In Stock Availability for ORICO USB 3.0 to SATA III 2.5" External Hard Drive Enclosure for 2.5 Inch 7mm-9.5mm SATA HDD/SSD Tool Free [UASP Supported],Black(2189U3)](/images/1762891629863_9_1638713220.webp)
![Price History and In Stock Availability for ORICO USB 3.0 to SATA III 2.5" External Hard Drive Enclosure for 2.5 Inch 7mm-9.5mm SATA HDD/SSD Tool Free [UASP Supported],Black(2189U3)](/images/1762891629863_9_1638713220.jpg)
