Hamilton Buhl
Hamilton Buhl PRM100B Primo Stereo Headphone Black
Over-ear stereo headphones with noise-reducing earcups, 30 mm drivers, a chew-resistant Dura-Cord and an anti-lice storage bag
- TypeOver the Ear
- ColorBlack
- Driver Unit30mm
- Frequency Response50Hz-20KHz
- Input Impedance32 ohms
- Sensitivity100dB ±4dB
- Noise-reducing earcups block distracting ambient sound
- 30 mm drivers deliver 50 Hz-20 KHz frequency response
- Chew-resistant Dura-Cord with braided nylon jacket
- Adjustable headband with leatherette cushions for comfort
- Anti-lice storage bag kills lice in 24-48 hours
Classroom stereo headphones
The Hamilton Buhl PRM100B Primo is an over-ear headset built for students who need clear audio during lessons. Noise-reducing ear cups limit ambient sound so learners stay focused in shared spaces. The adjustable headband and leatherette cushions fit a range of head sizes. A 1.5-metre chew-resistant Dura-Cord survives daily handling.
3.5 mm analogue connection limits
Audio travels through a 3.5 mm TRS stereo plug with a 120-degree angled barrel. No digital processing, battery or wireless link is present, so the headphones work with any device that provides a standard headphone socket. Volume and tonal balance depend entirely on the source output. The thin-barrel plug fits recessed ports on laptops and tablets.
30 mm drivers set the performance ceiling
Each ear cup houses a 30 mm dynamic driver rated at 32 ohms and 100 dB sensitivity. Frequency response spans 50 Hz to 20 kHz, covering speech and music fundamentals but not extended sub-bass. Buyers who want larger drivers, detachable cables or active noise cancellation need a different model.
Highlights
- Noise-reducing earcups block distracting ambient sound
- 30 mm drivers deliver 50 Hz-20 KHz frequency response
- Chew-resistant Dura-Cord with braided nylon jacket
- Adjustable headband with leatherette cushions for comfort
- Anti-lice storage bag kills lice in 24-48 hours
Specifications
| Brand | Hamilton Buhl |
|---|---|
| Series | Primo |
| Model | PRM100B |
| Part Number | PRM100B |
| Type | Over the Ear |
| Color | Black |
| Driver Unit | 30mm |
| Frequency Response | 50Hz-20KHz |
| Input Impedance | 32 ohms |
| Sensitivity | 100dB ±4dB |
| Connector | 3.5mm TRS stereo, 120° angle, thin barrel |
| Ear Coupling | Binaural |
| Cord Length | 5' Dura-Cord - chew-resistant, PVC-jacketed, braided nylon |
| Weight | Product Shipping Weight (lbs) 0.3 1.25 Dimensions (in) 6.3x5.9x2.6 8.5x6.25x3 |
| Noise Cancelling | Yes |
| Shipping weight | 0.11 kg |
| Package size | 222 × 197 × 25 mm |
Questions about this item
Which cord length should I choose for classroom use?
The headphones come with a single 5 ft Dura-Cord that is chew-resistant, PVC-jacketed and braided nylon, so there is no alternative length to select.
What does the 100 dB sensitivity mean for daily listening?
At 100 dB ±4 dB the drivers produce loud, clear audio from low-power sources such as Chromebooks, tablets or phones without needing an external amplifier.
How does the 3.5 mm TRS plug with a 120° angle affect device compatibility?
The 3.5 mm stereo plug fits any standard headphone jack; the right-angle, thin-barrel design reduces strain on the port and works with Chromebooks, PCs, Macs and other 3.5 mm devices.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
Sony
Sony ZX Series MDR-ZX110AP Wired On-Ear Headphones White 30mm 3.5mm
- Headphone
$16.99
0.00019686BTC
In stock
usbroway
usbroway 10-pack VHF Antenna 136-174MHz for Motorola HT1000 MTS2000 XTS2500 XTS3000 XTS3500
- Two-way Radio
$38.99
0.00045176BTC
In stock