# HPToy > Wireless DSP control for PowerDAC V2/V2.1 headphone amplifiers. (iPhone/iPad app by ARTEM KHLYUPIN.) - Source: https://appshunter.io/ios/app/hptoy/id1451536488 (this page in markdown: same URL + `.md`) - Developer: [ARTEM KHLYUPIN](https://appshunter.io/developer/1229235963) - Category: Music, Entertainment - Price: Free - Rating: 3.30/5 from 4 App Store ratings - Age rating: 4+ - Requires: iOS 11.0 · 2 MB - Languages: American English - Released: 2019-06-02 - Data updated: 2026-08-18 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/hptoy/id1451536488/reviews.md ## What is HPToy? The HPToy is wireless DSP control of PowerDAC V2/V2.1. PowerDAC V2.1 is the world's first true digital USB 24/192 0.6W balanced/unbalanced headphone amplifier. The app allows controlling of plenty of DSP functions in an intuitive manner. Yep, complex things getting easier today: Crossovers adjustment, parametric EQs, bass and treble, loudness, compressor, preset sharing, and more. ## Key features - Wireless DSP control - Crossover adjustment - Parametric EQs - Bass and treble control - Loudness and compressor settings - Preset sharing ## Frequently asked questions about HPToy ### What is HPToy used for? HPToy is used for wireless DSP control of PowerDAC V2/V2.1 headphone amplifiers. It allows users to adjust various audio functions like crossovers, EQs, and bass/treble settings. ### Is HPToy compatible with my device? HPToy is compatible with iPhone, iPad, and iPod devices. It requires iOS 4+ and was last updated on June 6, 2021. ### What audio features can I control with HPToy? You can control crossovers, parametric EQs, bass and treble levels, loudness, and compressor settings. It also supports preset sharing. ### How often is HPToy updated? The latest version of HPToy is 1.3.0, released on June 6, 2021. Updates are not frequent, with the last one being over two years ago. ### What is the age rating for HPToy? HPToy has an age rating of 4+, making it suitable for a wide range of users. ### Does HPToy have ads? No, HPToy does not contain advertisements. It is a free application with no in-app purchases or ads. ### What is the user feedback on HPToy? HPToy has a rating of 3.3 stars from 4 ratings. User sentiment appears mixed, with some finding the complex controls easier to manage. ### Is HPToy a paid app? No, HPToy is available for free. There are no costs associated with downloading or using the application. ## Version history (last 5 releases) ### 1.3.0 — 2021-06-06 News: We developed a new setting "44.1 beat-tones elimination". It can help for some PDV2.1 units, that have whistles bug on 44.1kHz sample rate. If you have this problem please go to the "Settings->44.1 beat-tones elimination" and turn on it. Also, the new version fixed bugs and improves the user interface. ### 1.2.0 — 2021-05-11 New HPToy version 1.2.0 is PDv2.1 supported. E1DA PDv2.1 is the same device as PDv2, however, now can work with unbalanced headphones as well. In the Settings menu, you can see the 'Output mode' switch. There are 3 modes: 1) Balanced 2) Unbalanced 3) Unbalanced Boost Also, three presets from StaticV3 have been added to the app: EQ_Blon_BL-03_to_Harman EQ_HD650_6XX_to_Harman EQ_HD600_to_Harman ### 1.1.0 — 2019-10-02 now you can create presets for earphones more easily. on filters menu you can add background frequency response image and adjust your PEQs. short guide available at https://www.youtube.com/watch?v=niPVwdTdwW0 new version contain additional presets: -M1060 -P1 true Harman -Thieaudio Phantom vinyl also, we adapted UI for new iOS13. in dark and light modes, HPtoy has a good appearance. ### 1.0.3 — 2019-07-03 added new presets to Preset Manager: "EQ HE400i to LCD2" and "EQ HE560 to Harman" Note! You need manually delete old version and after install new version ### 1.0.2 — 2019-06-30 added new 26 presets Note! You need manually delete old version and after install new version ## Apps similar to HPToy | App | Rating | Price | Category | | --- | --- | --- | --- | | [SoundHi +EQ30 HD Amp & Player](https://appshunter.io/ios/app/soundhi-plus-eq30-hd-amp-and-player/id1469178945) | 3.9 (32) | Free | Music | | [ChannelEqualizer](https://appshunter.io/ios/app/channelequalizer/id1513527511) | 4.0 (22) | Free | Music | | [Volume Booster for Spotify](https://appshunter.io/ios/app/volume-booster-for-spotify/id6472634155) | 4.2 (97) | Free | Music | | [Bass Booster - Sound Amplifier](https://appshunter.io/ios/app/bass-booster-sound-amplifier/id1635507547) | 4.4 (153) | Free | Music | | [PhoneAmp-Your handy amplifier](https://appshunter.io/ios/app/phoneamp-your-handy-amplifier/id1497498488) | 4.4 (195) | Free | Music | | [Audeze HQ](https://appshunter.io/ios/app/audeze-hq/id1226628442) | 1.9 (74) | Free | Music | ## More apps by ARTEM KHLYUPIN - [iWoofer Pro](https://appshunter.io/ios/app/iwoofer-pro/id1229235964) - [iWoofer](https://appshunter.io/ios/app/iwoofer/id1244461305) - [OT-DSP6.6](https://appshunter.io/ios/app/ot-dsp66/id1472438802) All apps by ARTEM KHLYUPIN: https://appshunter.io/developer/1229235963 ## Related topics [xover](https://appshunter.io/ios/topics/xover) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*