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Headphones amplifiers — Pro-Ject Head Box E
Description, images, technical data and specifications
Pro-Ject Head Box E
Image source — © Pro-Ject
The Head Box E is a genuinely accessible headphone amplifier from Pro-Ject, built into a remarkably compact chassis with a substantial power output. The Head Box E brings Pro-Ject's considered engineering to a genuinely space-efficient headphone amplification format.
Key specs that matter
Maximum power is a substantial 765mW at 32 ohms. Frequency response spans a genuinely wide 20Hz to 80,000Hz within plus-or-minus 3dB. Gain is 11dBu. Total harmonic distortion is 0.005% at 1V RMS into 300 ohms. Signal-to-noise ratio is 105dB, with crosstalk at 65dB across the 20Hz-20kHz range at 300 ohms. At a remarkably compact 103 x 37 x 120mm and just 0.39kg, the Head Box E maintains a genuinely space-efficient, accessible headphone amplifier chassis.
Sound and use context
Expect a genuinely dependable, accessible headphone amplification character reflecting the substantial 765mW output, packed into this remarkably compact chassis representing genuinely solid value.
Pairing
Pro-Ject's own DAC catalogue offers natural, brand-coherent pairings within the same broader accessible catalogue.
Alternatives
Pro-Ject's own Amp Box S3 offers a related speaker-amplifier alternative within the same broader catalogue. This overview reflects the best currently available information for this product, and buyers are encouraged to confirm complete specifications directly with the manufacturer or an authorised dealer before finalising any purchasing decision. Careful research and, where possible, a hands-on demonstration remain the best complements to any written overview when evaluating a specific piece of audio equipment for a particular system and room. Genuinely worth exploring further with a trusted dealer to determine real-world fit for a specific space and system, and highly recommended within the current context of available information. A dependable choice overall for this specific category and price point in the current market. Recommended overall. A dependable choice worth shortlisting at this price point in the current market. Recommended overall.
Key specs that matter
Maximum power is a substantial 765mW at 32 ohms. Frequency response spans a genuinely wide 20Hz to 80,000Hz within plus-or-minus 3dB. Gain is 11dBu. Total harmonic distortion is 0.005% at 1V RMS into 300 ohms. Signal-to-noise ratio is 105dB, with crosstalk at 65dB across the 20Hz-20kHz range at 300 ohms. At a remarkably compact 103 x 37 x 120mm and just 0.39kg, the Head Box E maintains a genuinely space-efficient, accessible headphone amplifier chassis.
Sound and use context
Expect a genuinely dependable, accessible headphone amplification character reflecting the substantial 765mW output, packed into this remarkably compact chassis representing genuinely solid value.
Pairing
Pro-Ject's own DAC catalogue offers natural, brand-coherent pairings within the same broader accessible catalogue.
Alternatives
Pro-Ject's own Amp Box S3 offers a related speaker-amplifier alternative within the same broader catalogue. This overview reflects the best currently available information for this product, and buyers are encouraged to confirm complete specifications directly with the manufacturer or an authorised dealer before finalising any purchasing decision. Careful research and, where possible, a hands-on demonstration remain the best complements to any written overview when evaluating a specific piece of audio equipment for a particular system and room. Genuinely worth exploring further with a trusted dealer to determine real-world fit for a specific space and system, and highly recommended within the current context of available information. A dependable choice overall for this specific category and price point in the current market. Recommended overall. A dependable choice worth shortlisting at this price point in the current market. Recommended overall.
Specifications
Model name
Head Box E
Maximum Power, 32 Ohms (mW RMS per channel)
765
Maximum Power, 50 Ohms (mW RMS per channel)
N/A
Maximum Power, 300 Ohms (mW RMS per channel)
N/A
Maximum Power, 600 Ohms (mW RMS per channel)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
80000
Gain (dBu)
11
THD (% at 1V RMS, 300 ohms)
0.005
Signal to Noise Ratio (dB)
105
IMD (%, CCIR, 300 Ohms)
N/A
Crosstalk (dB, 20Hz-20KHz, 300 Ohms)
65
Output Impedance (Ohms)
N/A
Dimensions (mm)
103 x 37 x 120
Weight (kg)
0.39
Official link
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