Comparison

A542DSP vs DSP

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

A542DSP

Features

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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.

About

DSP

Features

Read full description

BLAM DSP-4.40: Immediately improve the original sound of your vehicle, without cutting the original beams, enjoy more power and dynamics. Create your sound by adjusting its integrated digital sound processor (DSP) using the dedicated application on your smartphone.

Screenshots

A542DSP4 screens

DSP4 screens

Verdict

The call

The clearest difference is iOS requirement: A542DSP at 8.0 against DSP'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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level

A542DSP versus DSP: the parameters behind the verdict, then further details
Parameter	A542DSP	DSP
Price	Free	Free
Update frequency	—	Daily
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	7 MB
Age rating	4+	4+
Developer	杏生卢	BLAM