Yamaha MS202ii Speaker Specifications GENERAL SPECIFICATIONS Type .......................................Bass Reflex Powered Speaker Frequency Range ..................70 Hz — 18 kHz (LOW and HIGH controls at center) Max. SPL ...............................103 dB SPL (20 W, 1 m on axis) Dimensions (W*H*D)..............292*214*192mm (11.5 x 8.4 x 7.6 in) Weight.....................................3.9 kg (8 lb 6 oz) SPEAKER SECTION Components ..........................JA1060 [10 cm (4 in), Cone] x 2 Sensitivity...............................90 dB SPL (1 W, 1 m on axis) Nominal Impedance............... 4 Ω (8Ω x 2) AMP. SECTION Output Power .........................20 W at 1 kHz, THD = 0.5%, RL = 4 Ω Frequency Response.............40 Hz — 20 kHz Input Sensitivity......................MIC: –50 dB / 10 k Ω / Phone Jack Impedance ............................LINE 1: –10 dB / 10 k Ω / Phone Jack Connectors............................ LINE 2: –10 dB / 10 k Ω / Phone Jack LINE 3: –10 dB / 10 k Ω / RCA Pin Jack LINE OUT: -10 dB / 600 Ω / Phone Jack Hum & Noise .........................≤ –73 dB *(VOLUME: min, fc = 12.7 kHz, 6dB / oct LPF) Controls ................................. MASTER, MIC LOW: ±10 dB — 80 Hz HIGH: ±10 dB — 10 kHz POWER: "ON/OFF" * 0 dB = 0.775 Vrms Power Requirement ............... AC120 V, 60 Hz / US & CANADIAN Models AC230 — 240V, 50/60 Hz / Other Models Power Consumption ..…......... 45 W