A542DSP vs BS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A542DSP
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After connecting App to Car Amplifier with Integrated DSP, EQ, BASS, TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App. How to use: 1.Install App and turn on power of car 2. Turn on Bluetooth on your iPhone 3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save. Note: 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.
BS
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the software has the ability to save 6 sets of sound effects, adjust the frequency high-low pass, adjust EQ, read song files from the USB player list, and display a list of files on the phone
Screenshots
Verdict
The clearest difference is iOS requirement: A542DSP at 8.0 against BS's 15.6. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | A542DSP | BS |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 30 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 杏生 卢 | Guangzhou Coolpower Technology Co., Ltd. |
In-app purchases
A542DSP
No in-app purchases
BS
No in-app purchases









