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Need help?Do you have a question about the Helm BOLT DAC/AMP and is the answer not in the manual?
Open the carrying case and remove your new BOLT Cable.
Connect the BOLT to the iOS device using necessary adapters, ensuring headphones are connected.
Download the Tidal app and complete the steps to log in to your Tidal HiFi account.
In Tidal settings, select 'Master' from WiFi options for MQA streams.
Look for the 'M' symbol on tracks and confirm BOLT LED turns magenta for MQA playback.
The HELM BOLT DAC/AMP is a device designed to enhance the audio quality of music streamed from Tidal on iOS devices, specifically for MQA (Master Quality Authenticated) content. It acts as a digital-to-analog converter and amplifier, aiming to deliver high-fidelity audio as intended by recording artists and engineers.
The primary function of the HELM BOLT DAC/AMP is to process and amplify digital audio signals from an iOS device, converting them into an analog signal suitable for headphones. Its key feature is its ability to decode and render MQA content, which is a high-resolution audio format available through a Tidal HiFi subscription. When MQA content is played through the BOLT, a magenta LED light illuminates, indicating that the device is actively processing and delivering the master quality audio. This ensures that users experience the full detail and clarity of MQA recordings, surpassing the audio quality typically achieved with standard device audio outputs. The BOLT is designed to be a portable audio enhancement solution, allowing users to enjoy studio-quality sound on the go.
To use the HELM BOLT DAC/AMP with an iOS device, a few setup steps are required. First, users need a Tidal HiFi subscription to access MQA content. The Tidal app must be downloaded from the App Store, and users must log in with their Tidal HiFi account credentials.
Connecting the BOLT to an iOS device (excluding USB-C equipped iPad Pros) involves a series of adapters. Users will need an Apple Lightning to USB Camera Adapter and a USB-A male to USB-C female adapter. The connection sequence is as follows:
Once the physical connection is established, users need to configure the Tidal app for optimal audio quality. Within the Tidal app's settings, users should navigate to the "Quality" section and select "Master" under the "WiFi" options. This setting ensures that MQA streams are prioritized when connected via Wi-Fi. While a "Master" option is also available under "Cellular," users should be aware that selecting this will result in significantly higher data usage.
To identify MQA-encoded material within the Tidal app, users should look for songs marked with an "M" following the title. This "M" signifies that the track is Master Quality Authenticated. When such a track is selected and played through the properly connected and configured BOLT, the LED on the BOLT will turn magenta, confirming that MQA audio is being delivered.
The user interface of the Tidal app facilitates easy navigation to "My Collection" from the bottom menu, where settings can be accessed via an icon in the upper right corner. This allows users to manage their music library and adjust audio quality settings as needed. The app also features sections like "My Mix," "Playlists," "Albums," "Tracks," and "Videos," providing a comprehensive music streaming experience. Recently played tracks and suggested new albums/tracks are also displayed, enhancing content discovery.
The BOLT is designed for ease of use and portability, fitting into a durable soft-sided carrying case. Its plug-and-play nature, once the initial setup with adapters and app configuration is complete, allows users to quickly enjoy enhanced audio quality. The visual feedback from the LED (red for power, magenta for MQA) provides clear indications of the device's operational status.
The provided manual does not explicitly detail maintenance features for the HELM BOLT DAC/AMP. However, based on the nature of such electronic devices, general maintenance practices can be inferred.
The device comes with a durable soft-sided carrying case, which suggests that protection during transport and storage is important. Users should store the BOLT in its case when not in use to prevent physical damage, scratches, or exposure to dust and moisture.
As an electronic device, it is advisable to keep the BOLT clean. This typically involves gently wiping the exterior with a soft, dry cloth to remove dust or fingerprints. Avoid using harsh chemicals, solvents, or abrasive materials, as these could damage the finish or internal components.
Care should be taken when connecting and disconnecting cables and adapters to prevent wear and tear on the ports. Always handle the connectors by their housing rather than pulling on the cables themselves. Ensure that connections are firm but do not force them, as this could damage the ports on the BOLT, adapters, or the iOS device.
The manual mentions that the BOLT will not be recognized without headphones connected, implying that the 3.5mm headphone jack is an active part of the device's detection mechanism. Users should ensure their headphones are in good working order and that the 3.5mm plug is clean and free of debris to ensure proper contact.
Given that the device relies on power from the iOS device, ensuring the iOS device has sufficient battery life is also a practical consideration for uninterrupted listening. While not a maintenance feature of the BOLT itself, it's a user responsibility that impacts the BOLT's operation.
In summary, while specific maintenance instructions are not provided, general care for electronic devices, including protection from physical damage, gentle cleaning, and careful handling of connections, would contribute to the longevity and reliable performance of the HELM BOLT DAC/AMP.
General| MQA Decoding | Yes |
|---|---|
| Connector Type | USB-C |
| Headphone Output | 3.5mm |
| PCM Support | Up to 384kHz/32-bit |
| DSD Support | Up to DSD256 |
| Frequency Response | 20Hz-40kHz |
| Compatibility | Windows, macOS, Android, iOS |
