# A540DSP vs BLAM LA808

The clearest difference is update cadence: BLAM LA808 at every 16 months against A540DSP's every 47 months. BLAM LA808 also leads on iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

A540DSP ships an update every 47 months, BLAM LA808 every 16 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | A540DSP | BLAM LA808 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 16 months** |
| Monetization | Free | — |
| Size | 26 MB | 37 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [BLAM](https://appshunter.io/developer/1117883429) |

## What reviewers say

### A540DSP

[App page](https://appshunter.io/ios/app/a540dsp/id1423992250)

Control your car amplifier's audio settings, including EQ, bass, and time alignment, directly from your phone. Save and load custom sound profiles for a personalized listening experience.

**Highlights:** EQ control, Bass adjustment, Time alignment, Phase and mute settings, Filter control, Save sound settings to phone, Save sound settings to amplifier, Load sound settings from phone

**Features:** macOS Compatibility

**In-app purchases:** none


### BLAM LA808

[App page](https://appshunter.io/ios/app/blam-la808/id1542941403)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A540DSP free?

A540DSP is free to download, with no in-app purchases.

### Is BLAM LA808 free?

BLAM LA808 is free to download, with no in-app purchases.

### Do A540DSP or BLAM LA808 have ads?

Neither A540DSP nor BLAM LA808 shows ads.

### Which is updated more often, A540DSP or BLAM LA808?

A540DSP ships an update every 47 months, and BLAM LA808 every 16 months. Most recently, A540DSP was updated on October 25, 2026 and BLAM LA808 on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*