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We currently have this product in stock and available for dispatch.
Stock Location
| AV Distribution Hub: | 8 |
"Get it" shows the next available date that we will be able to deliver this item to you on, depending on the delivery option you select, and the stock availability of anything else that you add to your shopping basket.
5-year warranty & 30-day money-back guarantee included
If you decide your order isn't suitable for any reason you can return it - just let us know within 30 days of receiving it. Please keep hold of all the original packaging until you're sure you want to keep the order.
Eligibility for Money Back Guarantee
Important: For hygiene and software licensing reasons, some items are only eligible for our Money Back Guarantee if they are returned to us unused and sealed in the original packaging with all software still "unregistered." Details of exclusions are shown within the product descriptions. Products include:
- Monitors and Headphones
- Earplugs and Ear Protection
- Reeds and mouthpieces for woodwind and brass instruments
- Mouth and Lip-Care Products
- CDs, DVDs and Software
We can collect your return for a small fee, or you can send it back to us yourself. The collection fee can be found in the returns information on each product's page on AV.com.
In the unlikely event that any item in this order is faulty, damaged or incorrect on receipt, notify us within 14 days and we'll arrange a free collection.
When returning an order please ensure products are appropriately packaged and protected, to prevent them from getting damaged.
This table provides an overview of your statutory consumer rights, compared with our standard returns policy and optional extended money back guarantee and warranty.
| UK & Europe | EU Standard | AV.com Standard | AV.com Optional |
|---|---|---|---|
| Return Period | 14 days | 30 days | up to 180 days |
| Standard delivery charges refunded? | Yes | Yes | Yes, up to 30 days |
| Upgraded delivery charges refunded? | Standard costs only | Standard costs only | Standard costs only |
| Free collection on cancellation | No | No | Yes, up to 30 days |
| Free collection if defective, delivered damaged or incorrect item | Yes, within 14 days | Yes, within 14 days | Yes, within 30 days |
We are unable to accept returns of any custom made items designed to work together as a unique package and some items are only eligible for money back guarantee if they are returned to us unused and sealed in the original packaging. For full information on our returns policy, please refer to our returns and refunds information guide.
Spread your payment with Klarna. No fees.
Buy now and pay in 30 days - interest free
Split the cost into 3 equal monthly payments of £33.33 - interest free
Spend another £150.01 to buy on finance (APR Rep. 14.90%)
Spend another £150.01 to buy on finance Finance from £7.05 per month
Please note: This is only available where all items in the order are dispatched in a single delivery. Gear4music Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 706272) and acts as a credit intermediary and not a lender, offering credit products provided by a limited number of finance providers, including Klarna Bank AB (publ) and V12 Retail Finance. Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply.
To make it as easy as possible for you to get the gear you want, we offer a range of instant finance options. If you spend £250 or more online, you can choose to pay over 12, 24, 36 or 48 months. The majority of decisions are given instantly, so you could get your new gear sooner than you thought!
Representative Example
To help you understand how our finance options work, the examples below are based on a total order value of £250:
| Finance | APR Rep. | Deposit to Pay | Payments | Total Payable |
|---|---|---|---|---|
| 12 months | 19.90% | No Deposit | 12 months: £23.61Final Payment: £23.61No settlement fee | £283.32 |
| 24 months | 19.90% | No Deposit | 24 months: £12.96Final Payment: £12.96No settlement fee | £311.04 |
| 36 months | 19.90% | No Deposit | 36 months: £9.46Final Payment: £9.46No settlement fee | £340.56 |
| 48 months | 14.90% | No Deposit | 48 months: £7.05Final Payment: £7.05No settlement fee | £338.40 |
How to Apply
Applying for finance couldn't be easier - if your order totals £250 or more, simply proceed through the checkout as normal, then select Pay by Finance on the payment page, then click the orange PLACE ORDER USING FINANCE button. This will start your application with Klarna Retail Finance or V12 Retail Finance, our finance partners, and completing this form should take approximately 10 minutes.
You should get an instant answer on whether your application has been successful, though in some rare cases Klarna or V12 may need to look at the application in more detail.
Please note: This is only available on orders placed via the website consisting of a single delivery, and is not available in store or via phone currently. Warranties can not be purchased on finance. If you wish to purchase warranties, please choose another payment method or contact us after placing your order and we'll be happy to help you.
To make it as easy as possible for you to get the gear you want, we offer a range of instant finance options. If you spend £250 or more online, you can choose to pay over 12, 24, 36 or 48 months. The majority of decisions are given instantly, so you could get your new gear sooner than you thought!
Representative Example
To help you understand how our finance options work, the examples below are based on a total order value of £250:
| Finance | APR Rep. | Deposit to Pay | Payments | Total Payable |
|---|---|---|---|---|
| 12 months | 19.90% | No Deposit | 12 months: £23.61Final Payment: £23.61No settlement fee | £283.32 |
| 24 months | 19.90% | No Deposit | 24 months: £12.96Final Payment: £12.96No settlement fee | £311.04 |
| 36 months | 19.90% | No Deposit | 36 months: £9.46Final Payment: £9.46No settlement fee | £340.56 |
| 48 months | 14.90% | No Deposit | 48 months: £7.05Final Payment: £7.05No settlement fee | £338.40 |
How to Apply
Applying for finance couldn't be easier - if your order totals £250 or more, simply proceed through the checkout as normal, then select Pay by Finance on the payment page, then click the orange PLACE ORDER USING FINANCE button. This will start your application with Klarna Retail Finance or V12 Retail Finance, our finance partners, and completing this form should take approximately 10 minutes.
You should get an instant answer on whether your application has been successful, though in some rare cases Klarna or V12 may need to look at the application in more detail.
Please note: This is only available on orders placed via the website consisting of a single delivery, and is not available in store or via phone currently. Warranties can not be purchased on finance. If you wish to purchase warranties, please choose another payment method or contact us after placing your order and we'll be happy to help you.
Key Features
The HELM Audio BOLT DAC/AMP is designed to bring studio-quality sound to your phone and is capable of rendering MQA files for hi-res audio. Compatible with Android, Apple and Windows devices, you're free to enjoy uncompromised hi-res audio on any device. The HELM BOLT can stream music at over 8 times the sampling rate of CD-quality supporting sample rates of up to 384kHz, or DSD files with sampling up to 5.6 MHz, this includes music from streaming services such as Tidal, Nugs and Xiami
THX certification ensures that the BOLT can offer ultra-low harmonic, crosstalk, and crossover distortion. A physically isolated design keeps the DAC separated from the USB connector and a three oscillator design offers a superior frequency lock. Headphone impedance is set automatically and sets levels accordingly, leaving you to enjoy your favourite tracks in hi-res brilliance, with multi-dimensional detailing.
Product Ref: 221094
Images are for demonstration purposes only. There are no phones, laptops or headphones supplied with this product
| Output Level | 1.1Vrms at <150 Ohms, 2Vrms at >150 Ohms |
|---|---|
| Compatible Formats | PCM, MQA, DSD Dop |
| Connectivity | USB-C input, 3.5mm Output |
| SNR | 120dB |
| THD+N | 0.0008 at <150 Ohms, 0.0013 at >150 Ohms |
| Frequency response | 20Hz-20kHz ±s;0.06dB |
| Dimensions | Length 112mm |
| Width | 12.8mm |
| Weight | 7.09 grams |
| Physical | USB Type-C interface |
| Connection | USB 2.0 High Speed |
| PCM sample rates | 44.1 kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz |
| Product code | HMQA-100B |
