A894DSP vs PZ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A894DSP
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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.
PZ
This utility enhances your car's audio system with a non-destructive plug-and-play DSP amplifier. It features advanced processing for dynamic music, precise EQ tuning, and spatial editing, all controllable via smartphone.
- Non-destructive plug & play installation
- Quad-core 32-bit DSP processing
- DRC dynamic music processing
- 31-band EQ tuning system
- Adjustable sound field delay
- Built-in Bluetooth for lossless music
- Smartphone control for Time-Delay
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This product is non-destructive audio car DSP Amplifier it support plug & play installation Buit in quad-care 32-bit DSP processing Chip,nanosecond processing speed;DRC dynamic music processing;using DSP computer tuning technology.Lossless installation,easy tuning,take up a small space. 8CH x 31-band EQ floating-piont high-precision tuning system. high and low pass filter Adjustable sound field delay to achieve spatial editing. Gain control,phase control Harmonic function. Limiting function. Built-in Bluetooth,support mobile phone to play lossless music. 8 storage modes. You can use Time-Delay by smart phone.
Screenshots
Verdict
A894DSP and PZ are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 | A894DSP | PZ |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 18 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 杏生 卢 | huizhou shangshui technology co.,ltd |
In-app purchases
A894DSP
No in-app purchases
PZ
No in-app purchases









