Precise impedance matching and clear signal transmission - Supports 4Ω and 8Ω impedance adjustment to optimize compatibility between amplifiers and the loudspeaker unit - Reduces resistance to help ensure a clear and stable transmission path Integrated terminal block design for fast installation - Combines solderless terminal blocks with anti-short-circuit protection covers - Enables quick insertion and installation - Simplifies the modification process for easier setup and upgrades HiFi component quality for faithful sound - Uses metalized film capacitors and high-power resistors - Frequency response from 20 Hz to 20 kHz - Total harmonic distortion ≤ 0.5% Dual-channel high and low frequency separation - Built-in second-order crossover network - Adjustable crossover point typical value 2.5 kHz to 3 kHz - Provides a smooth -3 dB transition between high and low frequencies - Prevents distortion from frequency band overlap Use scenarios - Home stereo system: as a precise impedance matching and crossover stage between the amplifier and bookshelf or floor-standing loudspeakers to improve clarity and stability - DIY speaker projects: quick-install terminal blocks and protection features simplify modifications and upgrades while maintaining signal integrity - Hi-fi listening setups: controlled high/low frequency separation and high-quality components support accurate sound reproduction across the full 20 Hz to 20 kHz range Key attributes at a glance - Function: impedance matching, integrated terminal block with protection, high fidelity components, and active frequency separation - Compatibility: supports 4Ω and 8Ω loads for amp-to-speaker compatibility - Size and form: integrated design with unsoldered clamps for fast installation - Materials: metalized film capacitors and large power resistors - Performance: 20 Hz to 20 kHz range, THD ≤ 0.5%, second-order crossover with adjustable point around 2.5–3 kHz