Sennheiser IE 100 PRO vs Sennheiser IE 900
Better figure, where one is clearly better
| SennheiserIE 100 PRO | SennheiserIE 900 | |
|---|---|---|
| Overview | ||
| Released | March 2021 | June 2021 |
| Sound | ||
| Type | In-ear | In-ear |
| Noise cancelling | No | No |
| Driver size | 10 mm | 7 mm |
| Impedance | 20 ohms | 18 ohms |
| Bluetooth codecs | None (wired) | None (wired) |
| Drivers | 10 mm dynamic broadband transducer, single driver; 20 Hz – 18 kHz; 115 dB SPL (1 kHz, 1 Vrms); THD < 0.1% (1 kHz, 94 dB) | 7 mm X3R TrueResponse Extra Wide Band (XWB) dynamic driver with a triple-chamber absorber (Helmholtz resonators); 5 – 48,000 Hz; 123 dB SPL at 1 kHz (1 Vrms); THD < 0.05% (1 kHz, 94 dB); diffuse-field equalised |
| Battery | ||
| Listening time (maker's claim) | No battery (wired) | No battery (wired) |
| Design | ||
| Weight (each earbud) | – | 4 g |
| Headphone cable | Yes | Yes |
| Fit and ear tips | In-ear, closed; noise attenuation up to 26 dB; low-profile housing with reinforced ear hook; silicone and memory-foam ear adapters. Sennheiser doesn't give an earpiece weight; it gives only 160 g for the IE 100 PRO Wireless kit and 13 g for the Bluetooth neckband cable (14 g in the launch press release) | In-ear, closed; about 26 dB passive attenuation; adjustable TPU-coated ear hooks; silicone and memory-foam tips; aluminium housings milled in Germany |
| Works with | Detachable black cable, about 1.3 m, with 3.5 mm plug, stage-proof internal cable duct and break-proof connector; compatible with IE PRO cables, the IE PRO Mono Cable and the IE PRO BT Connector (Bluetooth 5.0; SBC, AAC, aptX, aptX Low Latency), sold separately or in the IE 100 PRO Wireless set | Gold-plated Fidelity (+) MMCX connectors; para-aramid reinforced OFC cables (about 1.25 m) with 3.5 mm unbalanced, 2.5 mm balanced or 4.4 mm balanced plugs |
| Colours | Black, Clear, Red | – |
| In the box | IE 100 PRO in-ear headphones, black cable, soft pouch, cleaning tool, foam and silicone ear adapters, quick guide, safety guide, compliance sheet | IE 900 earphones, 3.5 mm, 2.5 mm and 4.4 mm cables, silicone and foam ear tips, carry case |
