The catch
Cambridge Audio Melomania P100 SE
aptX Lossless requires a compatible source. What the headphone specification says does not upgrade the Bluetooth codec in your phone or work laptop.
Side by side
Cambridge P100 SE vs Sennheiser HDB 630 Compared: replacing the battery yourself or having a wireless source ready to use
Quick verdict
Owner battery replacement comes with P100 SE, and the BTD 700 USB transmitter comes with HDB 630. Cambridge makes sense when your phone or laptop already supplies the music connection you need. HDB makes sense if its transmitter fills that gap, or if you want its more detailed sound controls. For HDB USB listening, Bluetooth has to be disconnected, and P100 SE’s wired-call behavior needs its own compatibility check.
Before you buy
Why, and what it costs you
Pay for the piece your music setup lacks and ignore the length of the codec list
P100 SE needs no extra transmitter if you already own a compatible phone that delivers the wireless mode you want. But when a work laptop or phone lacks the codec, the aptX Lossless label on the headphone changes nothing. HDB 630 includes BTD 700 for compatible USB sources, so its package can close that gap. The transmitter still takes up a port, and a managed work device has to allow it. If you only ever listen over a USB cable, that inclusion gains you less, because both headphones already take documented digital USB music.
Where this comes from
Both the source and the receiver have to support the mode you choose. The HDB package includes a transmitter and Cambridge’s listed package does not. We claim no universal USB compatibility, no audible benefit and no aptX Lossless reception on HDB.
The catch
Sennheiser HDB 630
The transmitter takes up a compatible USB data port. Listening over USB means disconnecting Bluetooth, and high-resolution wireless comes with a lower battery claim.
Cambridge Audio Melomania P100 SE
- Why pick it
- A suitable music connection already comes from your phone or computer, and you want the documented owner battery-replacement route.
- Seven-band EQ covers what you need, so you can skip the HDB transmitter-and-control package.
- The catch
- aptX Lossless requires a compatible source. What the headphone specification says does not upgrade the Bluetooth codec in your phone or work laptop.
Sennheiser HDB 630
- Why pick it
- A compatible wireless audio source has to come from the BTD 700 in the box.
- Adjusting parametric EQ, or trying crossfeed on strongly separated stereo recordings, is something you want to do.
- The catch
- The transmitter takes up a compatible USB data port. Listening over USB means disconnecting Bluetooth, and high-resolution wireless comes with a lower battery claim.
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What this page compares
Cambridge P100 SE and Sennheiser HDB 630 for a shared home and a laptop desk. See how the source equipment, sound controls and long-term maintenance you need compare.
These closed ANC headphones are built for music listening, take USB input and carry long published endurance ratings. HDB is a worthwhile step up in price when the source equipment it supplies and its controls fix a particular problem for you.
Which one fits
Pick the situations that sound like you
The source you own already works and you want to replace the battery yourself
P100 SE has that maintenance route documented, and you do not need the HDB source package for it.
- Cambridge Audio Melomania P100 SE
- Better fit
- Sennheiser HDB 630
- Caution
You need a compatible USB wireless transmitter that is supplied
The selected HDB 630 package comes with BTD 700.
- Cambridge Audio Melomania P100 SE
- Caution
- Sennheiser HDB 630
- Better fit
You want crossfeed for recordings with sharply separated stereo
HDB documents crossfeed outright. Cambridge’s EQ does something else.
- Cambridge Audio Melomania P100 SE
- Depends
- Sennheiser HDB 630
- Better fit
USB music and a Bluetooth phone call have to play together
Following HDB’s USB procedure disconnects Bluetooth. Nothing establishes a comparable mixed-input promise for Cambridge.
- Cambridge Audio Melomania P100 SE
- Depends
- Sennheiser HDB 630
- Not suitable
In practice
Differences you will notice
Pay for the piece your music setup lacks and ignore the length of the codec list
P100 SE needs no extra transmitter if you already own a compatible phone that delivers the wireless mode you want. But when a work laptop or phone lacks the codec, the aptX Lossless label on the headphone changes nothing. HDB 630 includes BTD 700 for compatible USB sources, so its package can close that gap. The transmitter still takes up a port, and a managed work device has to allow it. If you only ever listen over a USB cable, that inclusion gains you less, because both headphones already take documented digital USB music.
How we worked this out
Both the source and the receiver have to support the mode you choose. The HDB package includes a transmitter and Cambridge’s listed package does not. We claim no universal USB compatibility, no audible benefit and no aptX Lossless reception on HDB.
Which control helps depends on what bothers you about an old stereo recording
Headphones let you listen late at night in a shared home without switching on speakers in the room. When a recording sounds too bright or too heavy on bass, P100 SE’s seven-band EQ may be all you need for a worthwhile personal adjustment. When the problem is an instrument pinned hard to one ear, HDB’s selectable crossfeed targets the stereo presentation instead, and that is not the same operation as raising or lowering an EQ band. HDB also has parametric controls for finer tonal adjustments. Treat these as preferences to audition at a sensible volume. They are not hearing treatment, and they do not prove that either headphone is more accurate.
How we worked this out
This sets the documented EQ and crossfeed operations against private listening to sharply separated stereo material. We infer no clinical benefit, hearing correction, sound-leakage result or guaranteed subjective improvement.
A long first charge does not tell you how you will keep the pair working
If the same headphones go with you on the commute, to the desk and through the weekend, an aging battery is a separate ownership problem from today’s runtime. P100 SE documents battery replacement by the owner with standard tools. HDB sends battery repair or replacement through its service partner. Cambridge can therefore appeal to someone willing to follow the right procedure and find the right part, while someone who would rather leave it to professionals may be fine with HDB’s route. Neither one guarantees parts right away, a fixed repair bill or years without trouble, so check those practical terms before you count on them.
How we worked this out
Replacing the battery yourself is set against documented service coordination, for someone relying on one pair. It is a difference in maintenance route. It does not forecast lifetime or repair time.
Plug in your setup
Which headphones suit the way you listen?
Start with how you listen. Charging over USB is not the same as playing audio over USB, and some headphones need power even on a cable. These answers are placeholders until you apply your own.
Cambridge Audio Melomania P100 SE
Passes these checksPlays over Bluetooth.
Sennheiser HDB 630
Passes these checksPlays over Bluetooth.
Battery figures are maker claims for the stated mode. They do not reflect measured travel time. Volume, codec, calls and battery age all change runtime. Closed earcups can still leak some sound. Weight alone does not predict comfort. USB audio needs a compatible source and cable. This check does not judge sound quality, mic quality or amplifier power.
Option A
Cambridge Audio, Melomania P100 SE Blue
Melomania P100 SE
A suitable music connection already comes from your phone or computer, and you want the documented owner battery-replacement route.
- Best for
- A suitable music connection already comes from your phone or computer, and you want the documented owner battery-replacement route.
Facts we checked
- Wireless source: Compatible source needed for aptX Adaptive or Lossless
- Sound adjustment: Seven-band EQ and DynamEQ
- Battery ownership: Owner-replaceable battery with standard tools
- Endurance conditions: Up to 60 h ANC on, 100 h off
Option B
Sennheiser, 700445
HDB 630
A compatible wireless audio source has to come from the BTD 700 in the box.
- Best for
- A compatible wireless audio source has to come from the BTD 700 in the box.
Facts we checked
- Wireless source: BTD 700 USB transmitter supplied
- Sound adjustment: Parametric EQ and selectable crossfeed
- Battery ownership: Manufacturer-partner battery service
- Endurance conditions: Up to 60 h standard resolution, 45 h hi-res wireless
Spec by spec
Where they really differ
| Spec | Cambridge Audio Melomania P100 SE | Sennheiser HDB 630 | In practice |
|---|---|---|---|
| Wireless source | Compatible source needed for aptX Adaptive or Lossless | BTD 700 USB transmitter supplied | Your computer or phone may be the link missing from the codec chain. |
| Sound adjustment | Seven-band EQ and DynamEQ | Parametric EQ and selectable crossfeed | Shaping the tone and changing the stereo presentation fix different complaints. |
| Battery ownership | Owner-replaceable battery with standard tools | Manufacturer-partner battery service | Consider how you want to handle a daily-use battery as it ages. |
| Endurance conditions | Up to 60 h ANC on, 100 h off | Up to 60 h standard resolution, 45 h hi-res wireless | Headlines that look alike can describe different modes and conditions. |
Trade-offs
What each pick costs you
With Cambridge Audio Melomania P100 SE
- Hold on to the proprietary analog lead. To change saved EQ you need the app over Bluetooth, even though the EQ stays active when wired.
With Sennheiser HDB 630
- For battery problems, go through the manufacturer’s service route. Do not assume you can replace it yourself or that a service price is guaranteed.
Change of plan
When the answer changes
Your music source already works and being able to service the battery yourself matters
Go with Cambridge Audio Melomania P100 SE. P100 SE speaks directly to that ownership need.
What you lack is a supplied transmitter or documented crossfeed
Go with Sennheiser HDB 630. Those particular capabilities come with HDB.
Decision guide
Before you buy
Better music shouldn’t require accessories you don’t need, or make long-term maintenance another service job.
What this page can’t tell you
- We have no measured winner on sound, isolation, comfort or call quality. Conflicting HDB weight figures are left out, and the uncertain wired microphone behavior on the Cambridge stays unknown.
By the numbers
What the data shows
What we found across the headphones we compare, plus the checked facts behind each finding.
Show the facts and the math
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Cambridge Audio Melomania P100 SE |
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| Sennheiser HDB 630 |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
Cambridge Audio Melomania P100 SE
A suitable music connection already comes from your phone or computer, and you want the documented owner battery-replacement route.
Seven-band EQ covers what you need, so you can skip the HDB transmitter-and-control package.
See price & reviews on AmazonSennheiser HDB 630
A compatible wireless audio source has to come from the BTD 700 in the box.
Adjusting parametric EQ, or trying crossfeed on strongly separated stereo recordings, is something you want to do.
See price & reviews on AmazonEach link opens in a new tab.
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