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ToolGuyd argues that Isotunes’ Sidekick clip-on speaker is expensive compared with a similar-looking, lower-priced Infurture speaker and says the company’s advertising compares it with an older DeWalt model. The report cites FCC teardown images and conflicting battery-capacity information, but does not independently test either speaker’s runtime or establish that the products are identical.
ToolGuyd has questioned whether the Isotunes Sidekick clip-on Bluetooth speaker is worth its $80–$100 reported price, arguing that its ads compare it with an older DeWalt speaker while a newer DeWalt model has a work light and other features. The report also points to FCC teardown images that appear to show the Sidekick and a much cheaper Infurture speaker using similar circuit boards, while noting that battery figures published for the Sidekick conflict.
ToolGuyd says Isotunes promoted the Sidekick by comparing it with an older DeWalt wearable speaker, including an ad emphasizing that the Isotunes model has a work light. According to the report, the older DeWalt model was listed for about $60, or roughly $53 with a coupon, while the Sidekick was priced at about $100 directly or around $80 through Walmart. ToolGuyd says a newer DeWalt Pro Max wearable speaker was a closer comparison: it also has an LED work light and was listed at about $76 before a coupon, or roughly $67 at checkout.
The report also contrasts the Sidekick with the Infurture wearable speaker, which it says was selling for about $14 in green or $21 in black. ToolGuyd examined images in FCC filings and said the Sidekick and Infurture circuit boards and components appeared identical, including a matching board version number. That is the report’s visual assessment of the filings; it does not establish that every component, feature, manufacturing detail or performance characteristic is the same.
Battery information is not consistent across the material cited. ToolGuyd says an FCC teardown image appears to show a 750 mAh Sidekick battery, while an image on the product’s Walmart page lists 600 mAh. The report says Isotunes advertises up to 20 hours of runtime; Infurture advertises 10 hours, and DeWalt lists up to 12 hours for the Pro Max. Those are manufacturer claims, not results from a comparable independent test. Isotunes has told a user that runtime varies with factors such as playback volume, according to ToolGuyd.
What the Price Difference Buys
For buyers choosing a portable speaker for work, the report raises a practical question: whether the Sidekick’s price premium is justified by its features, battery performance, durability or support. ToolGuyd’s listed prices put the Sidekick at several times the cost of the Infurture model, while the newer DeWalt Pro Max was reported at a price below the Sidekick’s direct listing and includes a work light.
That comparison may help shoppers identify alternatives, but the available information does not settle which speaker offers better value. Price listings can change, and matching circuit-board images do not amount to a full product test. Buyers weighing the options would also need reliable information about sound, build quality, warranty, actual runtime and compatibility—not just advertised specifications or visual similarities.
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The Competing Speaker Comparisons
Isotunes’ marketing, as described by ToolGuyd, compared the Sidekick with an older DeWalt wearable speaker and highlighted the Sidekick’s work light. ToolGuyd says the DeWalt Pro Max had launched months earlier and argues that it was a more relevant model to use in an ad comparison because it also has a work light. The report further says the Pro Max supports Auracast, a feature for streaming audio to multiple compatible devices, while the Sidekick campaign used the phrase “theirs pairs with nothing.”
ToolGuyd’s criticism is an assessment of the comparison and its fairness, not evidence that Isotunes intentionally misled customers. The report also discusses an older DeWalt model’s stated battery capacity of 560 mAh, compared with the figures it cites for the Sidekick and Pro Max. Differences in advertised runtimes cannot be resolved by comparing battery capacity alone: playback volume and other operating conditions can affect results, and the report does not describe a controlled, side-by-side test.
“One of these has a work light in it.”
— Isotunes, in advertising wording quoted by ToolGuyd
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Battery Figures and Product Similarity
The source report does not resolve why the Sidekick appears with 600 mAh and 750 mAh capacity figures in different materials. It also does not independently verify the FCC teardown images’ interpretation, test the speakers under the same conditions or establish whether the Sidekick and Infurture share more than the apparent board design. Actual runtime at specified volumes and settings remains unknown based on the information provided.
It is also unclear whether prices in the report remain current, whether product specifications or listings have changed since publication, or whether Isotunes has responded to ToolGuyd’s broader criticism of its comparisons. The source raises the possibility that the ads are misleading but does not establish the company’s intent.
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What Buyers Should Verify
Readers considering the Sidekick can check current listings and the manufacturers’ latest specification pages, particularly for the battery-capacity discrepancy and any warranty or feature differences. A controlled runtime test and direct comparison of sound, construction and support would provide evidence that the source report does not contain. Until those details are clarified, ToolGuyd’s conclusion is best read as a value assessment based on reported prices, advertising and teardown images—not a definitive finding that the speakers perform identically.
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Key Questions
What is ToolGuyd’s main criticism of the Isotunes Sidekick?
ToolGuyd says the Sidekick is costly relative to a similar-looking, lower-priced Infurture speaker and argues that Isotunes’ ads compare it with an older DeWalt model rather than the newer Pro Max.
How much does the Sidekick cost?
At the time reflected in the report, ToolGuyd listed it at about $100 directly or around $80 through Walmart. Those prices may have changed.
Is the Sidekick battery 600 mAh or 750 mAh?
The report cites both figures: an FCC teardown image that appears to show 750 mAh and a Walmart product image listing 600 mAh. The discrepancy is not resolved in the source material.
Has the Sidekick been proven identical to the Infurture speaker?
No. ToolGuyd says FCC teardown images show apparently matching circuit boards and components, but the report does not establish that the complete products are identical or report independent performance testing.
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